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741Article of journalPublished in 1989Repositorio Universidad Nacional de Colombia
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742Trabajo de grado de pregradoPublished in 2010Repositorio Universidad Nacional de Colombia
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743Article of journalPublished in 2018Repositorio Universidad Nacional de Colombia
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744Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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745Trabajo de grado de pregradoPublished in 2018Repositorio Universidad Nacional de Colombia
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746Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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747
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748Article of journalPublished in 2004Repositorio Universidad Nacional de Colombia
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749
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750
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751
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752Article of journalPublished in 2009Repositorio Universidad Nacional de Colombia
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753Article of journalPublished in 1994Repositorio Universidad Nacional de Colombia
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754
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755Published in 2011Repositorio Repositorio UIS
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756Article of journalPublished in 2011Repositorio Repositorio Institucional UPN
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757Published in 2009Repositorio Repositorio UIS
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758Published in 2011Repositorio Repositorio UIS
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759
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760