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52641Article of journalPublished in 2011Repositorio Universidad Nacional de ColombiaGet full text
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52642
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52643
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52644
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52645
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52646Article of journalPublished in 2006Repositorio Universidad Nacional de ColombiaGet full text
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52647Article of journalPublished in 1971Repositorio Universidad Nacional de ColombiaGet full text
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52648
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52649Article of journalPublished in 1993Repositorio Universidad Nacional de ColombiaGet full text
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52650Article of journalPublished in 2010Repositorio Universidad Nacional de ColombiaGet full text
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52651Article of journalPublished in 2008Repositorio Universidad Nacional de ColombiaGet full text
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52652
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52653Published in 2017Repositorio Universidad Nacional de ColombiaGet full text
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52654Work documentPublished in 1970Repositorio Universidad Nacional de ColombiaGet full text
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52655
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52656
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52657Article of journalPublished in 1997Repositorio Universidad Nacional de ColombiaGet full text
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52658Article of journalPublished in 2010Repositorio Universidad Nacional de ColombiaGet full text
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52659Article of journalPublished in 2000Repositorio Universidad Nacional de ColombiaGet full text
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52660Article of journalPublished in 2009Repositorio Universidad Nacional de ColombiaGet full text
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