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![Larrea, Carlos (2005): Naturaleza, Economia y Sociedad en el Ecuador. UNa Visión Historica (EcoCiencia-FLASCO), 2005. [PDF 2.28MB]](http://s3.paperzz.com/store/data/007407937_1-70b03c55e1eac094d599c946c56ca53f-250x750.png)
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