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2541
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2542
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2543
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2544Investigation reportPor Alzate, AlbertoPublished in 1995Repositorio Repositorio Minciencias
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2545Article of journalPublished in 2005Repositorio Repositorio Digital Universidad de los LLanos
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2546
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2547Published in 2011Repositorio Repositorio EdocUR - U. Rosario
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2548Published in 2011Repositorio Repositorio EdocUR - U. Rosario
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2549Published in 2006Repositorio Repositorio UIS
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2550http://purl.org/coar/resource_type/c_6843Published in 2019Repositorio RiUPTC: Repositorio Institucional UPTC
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2551Article of journalPublished in 2012Repositorio REDICUC - Repositorio CUC
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2552Article of journalPublished in 1982Repositorio Repositorio Institucional UPN
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2553Article of journalPublished in 2003Repositorio Repositorio Institucional UPN
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2554http://purl.org/coar/resource_type/c_6685Published in 2007Repositorio RiUPTC: Repositorio Institucional UPTC
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2555Article of journalPor Pérez Miranda, Royman; Gallego Badillo, Rómulo; Gallego Torres, Adriana Patricia; Figueroa Molina, Roberto EnriquePublished in 2009Repositorio Repositorio Institucional UPN
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2556Article of journalPublished in 2015Repositorio Repositorio EIA .
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2557
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2558
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2559Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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2560Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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