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61564Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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61565Article of journalPor Norma Constanza Castaño; Chona, Guillermo; Pinzón, Jorge Emiro; Lara, Luis; Valbuena, Edgar; Martínez, Silvia; Leudo, Mireya; Arteta de Molina, Judith; Moncayo, Guido; Herrera, DanielPublished in 1998Repositorio Repositorio Institucional UPN
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61566Article of journalPublished in 2015Repositorio Repositorio Institucional UPN
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61567Article of journalPublished in 2016Repositorio Repositorio Institucional UPN
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61568Article of journalPublished in 2016Repositorio Repositorio Institucional UPN
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61569Article of journalPublished in 2015Repositorio Repositorio Institucional UPN
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61570Article of journalPublished in 2015Repositorio Biblioteca Digital Universidad Externado de Colombia
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61571http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2010Repositorio Repositorio UIS
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61572http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2012Repositorio Repositorio UIS
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61573http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2013Repositorio Repositorio UIS
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61574http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2013Repositorio Repositorio UIS
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61575http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2015Repositorio Repositorio UIS
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