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861Article of journalPublished in 2013Repositorio Universidad Nacional de Colombia
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862Article of journalPublished in 1997Repositorio Universidad Nacional de Colombia
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863
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864Article of journalPor Cristancho, M.Published in 1999Repositorio Universidad Nacional de Colombia
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865
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866Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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867Article of journalPublished in 2000Repositorio Universidad Nacional de Colombia
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868Article of journalPublished in 1984Repositorio Universidad Nacional de Colombia
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869Article of journalPublished in 1994Repositorio Universidad Nacional de Colombia
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870Article of investigationPublished in 2013Repositorio Repositorio ICESI
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871
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872
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873
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874Published in 2011Repositorio Séneca: repositorio Uniandes
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875Article of journalPublished in 2018Repositorio Repositorio Universidad Javeriana
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876
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877Published in 2017Repositorio Repositorio EdocUR - U. Rosario
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878Published in 2018Repositorio Repositorio EdocUR - U. Rosario
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879Published in 2016Repositorio Repositorio EdocUR - U. Rosario
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880Published in 2016Repositorio Repositorio EdocUR - U. Rosario
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