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1Article of journalPublished in 2018Repositorio Universidad Nacional de Colombia
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4Article of journalPor Obregón, DianaPublished in 1991Repositorio Universidad Nacional de Colombia
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5Article of journalPublished in 1963Repositorio Universidad Nacional de Colombia
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6Article of journalPublished in 2012Repositorio Universidad Nacional de Colombia
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7Article of journalPublished in 1986Repositorio Universidad Nacional de Colombia
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9Trabajo de grado de pregradoPublished in 2015Repositorio Universidad Nacional de Colombia
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10Article of journalPublished in 1996Repositorio Universidad Nacional de Colombia
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11Article of journalPublished in 2018Repositorio Universidad Nacional de Colombia
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12Published in 2016Repositorio Universidad Nacional de Colombia
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15Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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16Article of journalPublished in 2015Repositorio Universidad Nacional de Colombia
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17Article of journalPublished in 1947Repositorio Universidad Nacional de Colombia
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18Article of journalPublished in 2013Repositorio Universidad Nacional de Colombia
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19Article of journalPublished in 1941Repositorio Universidad Nacional de Colombia
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