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481Published in 2006Repositorio Repositorio Universidad de la Sabana
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482Published in 2007Repositorio Repositorio Universidad de la Sabana
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483Published in 2000Repositorio Repositorio Universidad de la Sabana
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484Published in 2003Repositorio Repositorio UDEM
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485
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486
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487Article of journalPublished in 2016Repositorio Universidad Nacional de Colombia
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488Article of journalPublished in 2018Repositorio Universidad Nacional de Colombia
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489Article of journalPublished in 2015Repositorio Universidad Nacional de Colombia
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490
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491Article of journalPublished in 2006Repositorio Universidad Nacional de Colombia
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492Article of journalPublished in 2007Repositorio Universidad Nacional de Colombia
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493Article of journalPublished in 2008Repositorio Repositorio Universidad Javeriana
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494
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495Article of journalPublished in 2020Repositorio Repositorio Institucional UPN
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496Published in 2016Repositorio Repositorio Institucional UGC
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497Published in 2012Repositorio Repositorio Corporación Universitaria Americana
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498
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499Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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500Article of journalPublished in 2015Repositorio Universidad Nacional de Colombia
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