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1241Article of journalPublished in 1999Repositorio Universidad Nacional de Colombia
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1242Article of journalPublished in 1987Repositorio Universidad Nacional de Colombia
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1243Article of journalPublished in 1963Repositorio Universidad Nacional de Colombia
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1244
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1245Published in 2012Repositorio Universidad Nacional de Colombia
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1246
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1247Published in 2013Repositorio Universidad Nacional de Colombia
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1248Published in 2019Repositorio Repositorio EdocUR - U. Rosario
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1249
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1250
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1251
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1252
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1253
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1254
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1255Published in 2013Repositorio Universidad Santo Tomás
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1256Por Benjumea Pérez, Margarita; Gutiérrez Tamayo, Alberto; Jaramillo, Orlando; Mesa Arango, Alejandro; Pimienta Betancur, AlejandroPublished in 2011Repositorio Universidad Santo Tomás
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1257
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1258
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1259Published in 2013Repositorio Universidad Santo Tomás
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1260