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621Trabajo de grado de pregradoPublished in 2020Repositorio Repositorio Institucional UPN
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622
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623
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624Article of investigationPublished in 2017Repositorio Repositorio Digital Universidad de los LLanos
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625Article of journalPublished in 2013Repositorio RIUCaC - Repositorio U. Católica
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626Published in 2020Repositorio Repositorio Institucional USTA
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627Published in 2020Repositorio Repositorio Institucional USTA
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628Published in 2020Repositorio Universidad Santo Tomás
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629Article of journalPublished in 2016Repositorio Universidad Nacional de Colombia
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630
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631Article of journalPublished in 2007Repositorio Repositorio Universidad Javeriana
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632Article of journalPublished in 2008Repositorio Repositorio Universidad Javeriana
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633
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634
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635Published in 2014Repositorio Repositorio EAFIT
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636Por Giraldo Dávila, Andrés Felipe; Botero Montoya, Luis Horacio; Molleda, Juan Carlos; Bravo, VanessaPublished in 2011Repositorio Repositorio Universidad de la Sabana
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637
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638
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639Article of journalPublished in 2013Repositorio Repositorio Universidad Javeriana
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640