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50321Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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50322Article of journalPublished in 2009Repositorio Universidad Nacional de Colombia
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50323Article of journalPublished in 1989Repositorio Universidad Nacional de Colombia
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50324Article of journalPublished in 1954Repositorio Universidad Nacional de Colombia
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50325
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50326
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50327Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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50328
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50329Article of journalPublished in 2012Repositorio Universidad Nacional de Colombia
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50330Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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50331
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50332Article of journalPublished in 2003Repositorio Universidad Nacional de Colombia
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50333Article of journalPublished in 2009Repositorio Universidad Nacional de Colombia
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50334
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50335Article of journalPublished in 2016Repositorio Universidad Nacional de Colombia
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50336Article of journalPor Lagos Burbano, Tulio César; Andrade Díaz, Danita; Córdoba Figueroa, Mónica Eliana; Criollo Escobar, HernandoPublished in 2013Repositorio Universidad Nacional de Colombia
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50337Work documentPublished in 2013Repositorio Universidad Nacional de Colombia
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50338
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50339Article of journalPublished in 2006Repositorio Universidad Nacional de Colombia
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50340Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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