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4501Article of journalPublished in 2006Repositorio Repositorio Institucional UPN
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4502Article of journalPor Yarza de los Ríos, Alexander; Calderon Palacio, Isabel Cristina; Aguilar Rosero , Diana AlejandraPublished in 2009Repositorio Repositorio Institucional UPN
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4503Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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4504Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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4505Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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4506Article of journalPublished in 2021Repositorio Repositorio Institucional UPN
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4507Article of journalPublished in 2019Repositorio Repositorio Institucional UPN
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4508Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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4509Article of journalPor Otalora L., Rosa Inés; Jimenez Gomez, William Alfredo;; Rojas Tolosa, Sandra Milena; Giraldo, O.; Martinez, C.Published in 2010Repositorio Repositorio Institucional UPN
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4510Article of journalPublished in 1999Repositorio Repositorio Institucional UPN
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4511Article of journalPublished in 1999Repositorio Repositorio Institucional UPN
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4512Article of journalPublished in 2013Repositorio Repositorio Institucional UPN
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4513Article of journalPublished in 1996Repositorio Repositorio Institucional UPN
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4514Article of journalPublished in 1998Repositorio Repositorio Institucional UPN
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4515Article of journalPublished in 1991Repositorio Repositorio Institucional UPN
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4516Article of journalPublished in 2010Repositorio Repositorio Institucional UPN
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4517Article of journalPor Orozco Cruz, Juan Carlos; Méndez núñez, Olga; Jímenez Gómez, Gladys; Valencia Vargas, Steiner; Vera Ospina, IngridPublished in 2006Repositorio Repositorio Institucional UPN
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4518Article of journalPublished in 2012Repositorio Repositorio Institucional UPN
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4519Article of journalPublished in 2011Repositorio Repositorio Institucional UPN
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4520Article of journalPor Martínez Calle, Lucio; Bores Calle, Nicolás; García Monge, Alfonso; Abardía Colás, Francisco; Vaca Escribano, Marcelino; Aguado, Alfredo MiguelPublished in 2011Repositorio Repositorio Institucional UPN
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