Student retention An issue, a discussion and a way forward, for higher education professionals Poor retention rates is an ever present problem among higher education institutions all over the world. Maintaining high student retention is vital to the survival of a higher education institute. Many higher education providers with poor retention rates are at risk of becoming unprofitable. Before they can combat the problem, higher education institutes must identify what is going wrong and the magnitude of the issue. This paper investigates why being aware of student retention rates is important to administrators at tertiary education providers, as well as providing institutes with strategies to combat poor retention. The scope of the study is wide reaching, approaching the issue from individual, institutional and national levels. It is not a literary review, instead it is a collection of only the most useful information that we could source that we believe helps the reader to understand the issue of retention and its relevance to them. Produced by Cobek Software Limited Author: Brittany Cotter Student Retention - An issue, a discussion and a way forward For Higher Education Professionals Contents Student retention 1 Student Retention: Definition 2 Why is student retention important? 4 Worldwide retention rates today 6 What causes low student retention rates? 8 What to look out for 9 Student retention: ‘Best practice’ 10 To summarise 12 About Cobek 12 References 13 © 2013, Cobek Software Limited www.cobek.com 1 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals Student Retention: Definition Before exploring the issue in detail, let’s define what we are talking about. ‘Retention’ refers to the length of time that students continue to study at a particular institution. The word is often used as a metric, measuring the percentage of students that remain in study until they have completed a particular qualification. Retention, Attrition or Persistence? Student retention is difficult to define and often acquires different meanings depending on the context of the term’s usage. Confusion of what the term ‘retention’ means stems from scholars interchanging the term with other words with varied connotations. ‘Attrition’ is often used where ‘retention’ would be more appropriate, as attrition refers only to the re-enrollment of students in consecutive semesters (Seidman, 2012). Whereas ‘persistence’, also often used as a synonym for ‘retention’ concerns the desire and action of a student to stay in higher education from initial entry to qualification completion (Seidman, 2012). Departure of a student, no matter the circumstances is defined as a loss for a higher education institution. However, the difference between voluntary and involuntary departure due to low grades or academic dishonesty is not often distinguished. This creates the question as to whether departure should be defined by the outside observer or according to the perception of the actor (Seidman, 2012). Similarly, how to measure retention is equally debatable. The most common metric for measuring student retention is by dividing the number of returning students by the number enrolled the previous year. Number of students re-enrolled the following year (Number of students in the yearly cohort - Exclusions) x 100 (Adapted from Hagedorn, 2006). However, this metric does not take into account transfer students, part time students and students that enroll in the second semester of the year or in summer school. It also deems students who take a break from study to return later and finish their studies as ‘non-persisters’ or ‘dropouts’ (Hagedorn, 2006). Thus, to provide a clearer picture of students retained in study Hagedorn (2006), recommends broadening the definition of ‘persisters’ to include those who graduate within 1.5 times the average time taken to complete a qualification. For example, students who complete a standard three year degree within four and a half years of first beginning study would be defined as ‘persisters’. To gain a larger, more general picture of retention performance it is beneficial for higher education institutes to use a variety of metric. Students who are failing to meet the demands of study can be identified using the successful course completion rate (SCCR), illustrated below: Number of courses with grade (A, B, C, D, F) Number of courses enrolled (Adapted from Hagedorn, 2006). The above equation can be used to calculate how likely a student is to fail a course by using the percentage of obtainment of © 2013, Cobek Software Limited www.cobek.com 2 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals each grade. It is an alternative to a grade point average. A means of comparing retention on an annual basis: Current total degree seeking enrolled students - (current year newly enrolled students) Past year’s EFTS seeking enrollment (all semesters) - EFTS graduates (Adapted from Hagedorn, 2006). This would allow staff at a higher education institute to gain a clear insight into the current retention rate within a course before they address what to do about retention. An additional problem with more traditional measurements of retention is that they cannot be used in measuring retention rates of one year certificate or diploma courses. Measuring graduation rates would provide a clearer picture of how many students are retained and complete the qualification. Again it is useful to take into account those who complete the course within 1.5 times the average completion time. A recommended formula is illustrated below EFTS graduates throughout the academic year EFTS entering the qualification 1.5 years ago (Adapted from Hagedorn, 2006). By becoming familiar with the rate of student retention institutes can: measure their success in terms of other similar education providers (this is only applicable when both institutes are using the same metric for calculation); increase students’ access to valuable qualifications by knowing where to focus retention efforts. To positively affect retention rates an institute must address what causes low retention rates. This is the focus of this white paper. © 2013, Cobek Software Limited www.cobek.com 3 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals Why is student retention important? Student retention is a wide reaching issue that can be seen to be threefold; the viability of a higher education institute depends upon its ability to attract students, provide them with the means of obtaining an education; and retain them. These three dynamics are interconnected and codependent. By improving the environment and culture of an institution the experience of numerous different stakeholders can also be improved. Students determine funding Each student of a higher education institute can be assigned a ‘dollar value’. The fees that they pay to obtain a qualification is the main source of income for the institution. The more students an education provider attracts and retains, the more revenue it can generate. As the number of students a public institution has at any time determines the governmental funding that it receives, students can be seen as the commodities through which tertiary institutes earn revenue. Similarly, private training institutes are funded through student fees, the higher the roll of an institute the more economic value it has. By failing to retain students higher education institutes may lose not only direct funding, but also secondary revenue sources that will affect the institute long-term, including governmental research grants and sponsorship from alumni. To be economically viable institutions must retain a specific number of students each year. Without large numbers of students returning it would be forced to shut down. The more money obtained from student fees, the more revenue available to be reinvested into the institute’s programmes to attract even more students. The process is cyclical. The loss of income resulting in the loss of students at a tertiary institute can be staggering and may even result in the loss of jobs of staff members or in the closure of the institute. Achieving the mission of higher education The role of tertiary institutes is first and foremost to provide students with quality education. Specific courses of a qualification provide them with knowledge and skills that they can apply in the real world. Responsible institutions have a duty to their students to provide them with the support they need so that they can achieve at the highest possible level. Good retention contributes significantly to the value of the programme for staff members, students and wider stakeholders. It improves the quality of the learning experience, allowing them to form strong, long lasting bonds with other students and members of faculty. Gaining market share Through the close monitoring of student retention higher education institutes can gain insight into how they are performing compared to their competitors. It is likely that institutes with high rates of student retention are satisfying their needs and are perceived to be providing them with better quality education. By providing high quality education tertiary institutes gain recognition amongst the wider academic community. The higher recognition attracts more students and the cycle starts all over again. Thus, it can be concluded that students are imperative to the functioning of a higher education institute. One indicator of measuring how institutes are performing is by comparing the proportion of returning international students to the proportion of their competitors. However, this cannot be obtained until the end of the year. International students are charged higher fees than domestic students and supply some institutes with a large percentage of their revenue. Thus in many cases, the proportion of international students that choose to return to an institute year after year can be determinant of its success. © 2013, Cobek Software Limited www.cobek.com 4 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals The creation of ‘culture’ If students are satisfied with the quality of education they are receiving they are more likely to continue to study at a particular higher education institution, as well as being more likely to obtain higher grades. The enthusiasm of students creates the culture of an institution. Staff feel greater job satisfaction when students are satisfied with their teaching. Activities organised by student-run movements on campus provide their peers and staff with a diverse and stimulating range of experiences. Keeping the students happy and motivated is essential at any education provider. Legislature changes In recent times, governments around the world have introduced reforms regarding higher education. The focus of these reforms is getting better value for money, as well as increasing the quality of education. Higher costs of tertiary training courses can be mitigated through increasing the quality of the education that students are receiving. In Australia, the Tertiary Education Quality and Standards Agency was set up under the Kevin Rudd lead government in 2010. Through this agency, the government hopes to ensure that graduates have the necessary skills to achieve success in the workplace once they have completed a qualification (Commonwealth of Australia Department of Industry, Innovation, Science, Research and Tertiary Education, 2009). The agency aims to create a more structured federal regulatory environment, as previously higher education was mostly discussed at state level. In addition to students, providers and employers, the agency has identified another key stakeholder - taxpayers - and intends to assure those taxpayers that higher education institutes are delivering value for money (Commonwealth of Australia Department of Industry, Innovation, Science, Research and Tertiary Education, 2009). A similar example from the UK is the Quality Code set up in 2012 by the Quality Assurance Agency for Higher Education. The Quality Code aims to discuss the responsibilities of higher education providers to their students, as well as to the government and broader society. One responsibility is course quality assurance (The Quality Assurance Agency, 2012). This involves implementing academic standards to ensure that students who are studying similar qualifications at comparative providers are receiving the same level of education, knowledge and skill sets necessary to achieve in the workforce (The Quality Assurance Agency, 2012). Student retention is cyclical Overall, student retention can be seen as a cyclical process, returning students provide higher education institutes with more disposable income. Using this income they can equip their students with higher quality courses, and improving the quality of education at a particular provider improves the quality of the educational landscape. © 2013, Cobek Software Limited www.cobek.com 5 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals Worldwide retention rates today The average retention rate of colleges and universities in the USA sits at about the OECD average, only 50% of freshmen students at an average institution enrolled in a four year qualification leave with a degree. The effects of ill-regarded student retention rates are comprehensive. Relatively easy access to postsecondary education does not correlate with a more educated population, instead, a system of wastage develops. Retention rates in the UK In comparison with the USA and OECD average the United Kingdom has a relatively high rate of student retention. Out of 256, 000 full time degree students who commenced higher education study in the2004-2005 school year, 78.1% completed the degree (National Audit Office, 2007). The UK has the fifth highest estimated graduation rate in the OECD (National Audit Office, 2007). Whilst the rates could be improved, they illustrate that it is possible for nations to aim for high completion rates of higher education courses. The Netherlands Similarly, the Netherlands has relatively high qualification completion rates in higher education (Van Stolk, Tiessen, Clifft & Levitt, 2007). However, dropout rates for both students of native Dutch origin and those who are non-Dutch are rising (Van Stolk, Tiessen, Clifft & Levitt, 2007). Almost 23% of native Dutch first time tertiary students who began studying towards a three year (180 point) bachelors degree in 1999 dropped out two years later, in comparison with just 20% in 1997 (Van Stolk, Tiessen, Clifft & Levitt, 2007). The dropout rate of non-Dutch students also rose by 2.5% during the same period, reaching 28.1% in 1999 (Van Stolk, Tiessen, Clifft & Levitt, 2007). A New Zealand example In response to a lack of data regarding student retention specifically in New Zealand, David Scott of the Ministry of Education (MOE) conducted a report Retention, Completion and Progression in Tertiary Education in New Zealand in 2005.The report detailed a study in 2002 that measured the retention rate of a particular qualification at a public tertiary institution. The findings concluded that only 40% of students that enrolled in the qualification in 1998 had completed it by the end of 2002, 9% were still in the midst of studying towards it, whilst 51% had left the institute without completing the qualification (Scott, 2005). Similar results were obtained in an MOE study in 2004 where 52-54% of students enrolled in a particular year reenrolled the following year. Disproportionate spending The return on the investment in higher education is often not up to standard. Whilst student loans are easily accessible to the majority, the way in which they are being spent is less than ideal. Borrowing in order to pay for postsecondary education is necessary for most people. However, it is only worth borrowing money if the rewards outweigh the costs. If an individual borrows money to finance his or her studies and obtains a qualification, he or she will more than likely acquire a well paying job, and pay back his or her loan quickly, before becoming financially stable. Thus, the reward of the study outweighs the cost. The effect of low retention - a ‘system of wastage’ What is often occurring due to the low student retention rate of tertiary institutions is that students who fail to complete a qualification are no better off than those who did not venture into the tertiary sector. They have wasted time that could © 2013, Cobek Software Limited www.cobek.com 6 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals have been used in more practical ways, such as climbing the corporate ladder; have not obtained a qualification; and have little to show for their study, though they still are obliged to repay the loan that financed their endeavour. Often this is the unfortunate reality that many former students face. It can be deemed a ‘system of wastage’, as despite embarking in higher education, individuals have not obtained a formal qualification, thus the money that financed it can be thought of as having been wasted. © 2013, Cobek Software Limited www.cobek.com 7 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals What causes low student retention rates? A lack of awareness Despite the large number of studies conducted in the USA over the past two decades little has been done to address the ever growing problem of the inability for colleges to retain student populations. Often staff members view low rates of student retention as a positive outcome, concluding that the low number of students who choose to pursue qualifications at a given institute are the ‘elite’ and are superior to their peers who chose to drop out. However, as outlined in this paper, this is far from the truth. Such attitudes are often a result of an unwillingness to change. Staff members are familiar with the current policies of the institution and do not wish to change their practises. Thus, in order for any real progress to be made all staff must get on board with tackling declining student retention rates. Social causes According to McLaughlin, Brozovsky and McLaughlin (1998) the single most significant factor that affects whether or not students continue to pursue education at a particular institution stems from their ability - or lack thereof - to form a ‘niche’ within the environment. Many students do not feel satisfied with their experience at the institute, they may feel that the lecturers and tutors are substandard, or may not have found a group of friends that they feel they really click with. Whatever the reason, the importance of connectedness within the institution cannot be overemphasised. Academic causes The percentage of students who fail to come back to tertiary education increases proportionately the higher the year group (Scott, 2005). This may be because courses become more difficult and students may feel that they cannot reach the standard that the course requires, or because a course does not challenge them. Education providers will observe a correlation between poor engagement, low assessment results and attendance and a lack of student retention. Thus, it is important that students have easy access to help outside the classroom through extra tuition or group study sessions. Course relevance If students view a course as having little value, their motivation to attend classes will decrease. ‘Killer courses’ may put students off the institution, or off study altogether, particularly if these courses are core papers to completing a qualification. Personal issues Beginning higher education study for the first time can often require a significant adjustment in lifestyle for a student. First year students may find it difficult to concentrate on their studies when demands outside of study are causing them stress. Many students have cited familial problems, the breakdown of romantic relationships, paid employment and a lack of sleep as having negatively affected their study. Solutions By being aware of reasons that students do not attend class and by helping to combat, this institutions can in turn improve their retention rates. Students need to feel that the institute cares for their needs - academic, social and psychological. Thus, by providing students with easily accessible programmes to improve student experiences, including fully funded tutoring programmes, social clubs and counselling services institutes will likely improve retention rates. Higher education providers must provide students with a place where they feel ownership in order to retain large populations of students. © 2013, Cobek Software Limited www.cobek.com 8 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals What to look out for Symptoms of low student retention Low attendance Low attendance also indicates the likelihood of a student failing to comple the current year. Poor attendance usually indicates either a dissatisfaction with course quality or outside issues. Students in the first few years of studying may have poor attendance rates due to difficulty to adapt to the lifestyle of tertiary education or are struggling with other issues. Lack of engagement Students who are not only failing to attend classes but are also not engaging with the institute on the most basic level are even more of a concern. This may include students who do not check their email for notifications provided to them by the institute, do not log on to student management systems to check their grades after release or do not collect marked assignments from tutors. All of the above actions would indicate an ‘at risk’ student who is not likely to complete their qualification, particularly if this behaviour occurs early during the course. Not handing in assessments Similarly, students who are not handing in assessments should be seen as concerning for administrators at higher education providers. The majority of students who enjoy the course that they are studying and want to achieve will at least hand in an attempt of an assessment even if they believe that they are likely to fail that assessment. Poor academic performance Students who are failing or barely passing courses despite attending classes should be identified by the organisation as needing extra help. It is likely that they are not understanding the content that is being taught and if the institute is not made aware of this they will leave. Many students who are struggling are embarrassed to admit that they are not performing academically and will not ask for help, thus it is the higher education provider’s responsibility establish communication and provide struggling students with information about resources that they can use to improve their grades. Without help to deal with these problems, students may feel as though they are not supported at the institute and choose not to return. © 2013, Cobek Software Limited www.cobek.com 9 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals Student retention: ‘Best practice’ Recommendations Communication and inquisition One means of managing student retention is through establishing open communication pathways. By engaging in meaningful dialogue with both past and present students institution leaders can get to the root of the problem - why students are choosing to leave the higher education provider. Focus groups with individuals who choose not to return to a provider the following year can provide chancellors and executive officers with insight into trends. They can identify problem courses and alter the objectives or means of teaching or assessment to make them more enjoyable for students. A lot of knowledge can be gained from just asking one simple question. However this often takes place in hindsight. The problem that many tertiary institutes encounter is a lack of inquisition. Staff do not see understanding the reasons why students choose not to return to an education provider as imperative. By simply changing attitudes higher education institutes can begin to address poor student retention. The New York University Steinhardt Strategies The New York University Steinhardt Strategies for Intervention can be employed when dealing with struggling students. The strategies can be broken into two different processes: Instructional Support Teams (IST) and Response to Intervention (RTI). Instructional Support Teams refers to teams of staff responsible for the identification of who is struggling, illustrating broad reaching problems, providing modifications to pedagogy and assessing the effectiveness of curriculum changes by monitoring student progress over a long period of time (New York University Steinhardt School of Culture, Education and Human Development, 2008). It is imperative that students’ differences are acknowledged along with their similarities. This is addressed using the corresponding RTI process, an intensive instruction process that measures the impact of the intervention and assesses the need for further intervention. RTI is a procedure favoured by the US Education Department and is highly recommended; it illustrates that problems are not always easily fixable and keeping students on track requires constant monitoring. When utilising the strategies of IST and RTI education providers must use discretion in order to avoid marginalising or unfairly labelling students as ‘at risk’ of being unsuccessful. It is important to look for trends within the student’s engagement. One issue with the practice is that it does not provide a strategy for addressing the ssues of students who are extremely at risk, merely those who may only be moderately struggling. The Clearinghouse Strategy The Clearinghouse strategy recommends a different variant of ‘best practice’ for dealing with students who are likely to be identified as being ‘at risk’ of failing courses or not returning to a higher education institute the following year. The use of groups is emphasised as a key medium for encouraging learning (What Works Clearinghouse, 2013). Tertiary institutes could encourage students identified as struggling to participate in study groups addressing specific aspects of the courses they are struggling with. With students who are struggling extensively it is important to focus on developing a © 2013, Cobek Software Limited www.cobek.com 10 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals key skill set, institutes need to identify what it is specifically that they are struggling with and provide them with immediate individualized feedback. In these cases one-on-one instruction through additional tutoring with academic staff may be necessary. An action based process Loss of students can often be prevented by early intervention. Identifying ‘at risk’ students early on and developing a sound relationship with them can prevent the withdrawal from qualifications year after year. Retention is best approached from a solutions oriented perspective. The focus needs to be on retaining current students as opposed to merely attracting more new students to keep populations steady. Responding to students queries illustrates that the higher education institute cares for its students and their individual needs. Students will be more willing to reciprocate if they feel that the institute they attend is dedicated to communicating with them on a personal level. Seidman Formula and Success Model Seidman (2012) developed the following formula for establishing high retention: Retention = Early Identification + (Early + Intensive + Continuous) Intervention In Seidman’s (2012) formula early identification ensures that struggling students are identified via an assessment upon entering a higher education institute instead of later in the course when the student may already be failing or struggling to cope. By identifying issues early on, an intervention can be implemented at the earliest possible time to help the student. Ensuring that the intervention employed is intensive and continuous ascertains that the chosen intervention is strong enough to implement the desired change and to persist until the change has taken complete effect. Software and automation Large higher education institutes often struggle with keeping track of retention rates because of their large roll. Many students may be struggling and it is difficult and time consuming to identify who is in need of the most urgent attention. Technology can help institutes that are struggling to keep track of student retention data. To know where to focus intervention efforts, institutes can start by running reports which query available data sources to find those students who match relevant criteria (such as students who failed assessments during the last week, or students who have not attended class for three consecutive lessons). Although running reports is a manual and cumbersome process, they are a starting point. Through technology an institute can automatically collect the relevant data that would indicate that an individual student is struggling, such as poor grades or low attendance; analyse which students are likely to be ‘at risk’; prioritise ‘at risk’ students depending on how urgently issues need to be addressed; notify staff members of which students are likely to be struggling with their study and provide a framework for taking action to address the reported issues. More comprehensive systems would also provide a full history of attempts to combat the issues faced by the struggling student, including who has contacted the student, what has been discussed and any solutions that have been agreed upon, as well as a reporting function to analyse trends found across a course. © 2013, Cobek Software Limited www.cobek.com 11 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals To summarise Each year approximately half of the students enrolled in a particular institute will choose not to return to pursue their studies the following year. Good retention is vital to the survival and thriving of higher education providers. It determines their rating among competitors and is the key driver of revenue. The term ‘retention’ is defined differently depending on the specific context being discussed. Different metric may also be used to calculate retention rates within different institutions. In general, ‘retention’ is usually defined as ‘the percentage measuring higher education students who remain in study from the original cohort until they have completed the qualification up to 1.5 times after the average completion time’. Causes of poor retention include but are not limited to an incongruity between the social climate of the higher education institute and a particular student, students’ familial problems, presence of ‘killer’ courses, or a lack of challenging and stimulating work. Fortunately, poor retention can often be easily identified by particular student-institute interactions once higher educators are aware of what to look out for, such as a student not turning up to classes, not participating in group discussions in class, failing to hand in assessments or poor grades. Maintaining high levels of retention is a long-winded, difficult process. Using a software solution that automatically monitors the expected retention level throughout courses, rather than on completion of a qualification can be helpful to higher education providers when tracking retention. Technology can play a pivotal role in identifying struggling students who are at risk of dropping out, as well as allowing staff at higher education institutes to develop and practice an intervention strategy. © 2013, Cobek Software Limited www.cobek.com 12 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals About Cobek Cobek Software is a specialist software developer serving higher education institutes from our base in New Zealand. Cobek is focused on providing solutions in areas that are often overlooked and not fully addressed by vendors of student information systems. Our solutions integrate with and work along side other systems to provide our customers with the best solution without requiring them to throw away their existing platforms and corporate knowledge. Our student retention solution is purpose built to help higher educators to achieve outstanding retention outcomes by providing a complete platform that identifies where to focus attention and coordinates activities, while providing a big picture overview for institute directors to know how things are going. With our retention solution your institute can spend more of your time on adding value, providing students with greater opportunities to flourish academically. www.cobek.com [email protected] This white paper has been produced by Brittany Cotter of Cobek Software Limited. © 2013, Cobek Software Limited www.cobek.com 13 Student Retention - An issue, a discussion and a way forward For Higher Education Professionals References Commonwealth of Australia Department of Industry, Innovation, Science, Research and Tertiary Education. (2009). Transforming Australia’s Higher Education System. Canberra: Author. Hagedorn, L. (2006). How to define retention: A new look at an old problem. Los Angeles, CA: University of Southern California, Rossier School of Education. National Audit Office. (2007). Staying the course: The retention of students in higher education. London: Author. New York University Steinhardt School of Culture, Education and Human Development. (2008). Academic interventions for struggling learners: Using culturally responsive instructional support teams. New York: Metropolitan Center for Urban Education. Retrieved from http://www.google.com/url?q=http%3A%2F%2Fsteinhardt.nyu.edu%2FscmsAd min%2Fuploads%2F005%2F119%2FAcademic%2520Interventions1.pdf&sa=D&sntz=1&usg=AFQjCNGypjp48YZfm 9KZdzLZFK_TzP3OnA McLaughlin, G., Brozovsky, P., & McLaughlin, J. (1998). Changing perspectives on student retention: A role for institutional research. Research in Higher Education, 39(1), pp. 1-17. Scott, D. (2005). Retention, completion and progression in tertiary education in New Zealand. Journal of Higher Education Policy and Management, 7(1), pp. 3-17. Seidman, A. (2012). College student retention: Formula for student success. (2nd edition). Plymouth, United Kingdom: Rowman & Littlefield Publishers, Inc. The Quality Assurance Agency. (2012). UK Quality Code for Higher Education. Gloucester: Author. Van Stolk, C., Tiessen, J., Clift, J., & Levitt, R. (2007). Student retention in higher education courses: International comparison. Cambridge: RAND Corporation. What Works Clearinghouse. (2013). Best Practice for RTI: Small Group Instruction for Students Making Minimal Progress (Tier 3). Retrieved from http://www.readingrockets.org/article/30676/ © 2013, Cobek Software Limited www.cobek.com 14
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