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3501
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3502
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3503Article of journalPublished in 2019Repositorio Biblioteca Digital Universidad Externado de Colombia
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3504
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3505http://purl.org/coar/resource_type/c_2f215Published in 2020Repositorio Repositorio ITM
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3506
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3507http://purl.org/coar/resource_type/c_6968Published in 2012Repositorio RiUPTC: Repositorio Institucional UPTC
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3508Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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3509Article of journalPublished in 2017Repositorio Universidad Nacional de Colombia
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3510
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3511Doctoral thesisPublished in 2013Repositorio Universidad Nacional de Colombia
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3512
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3513
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3514Published in 2015Repositorio Repositorio Institucional U. Caldas
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3515
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3516
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3517
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3518
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3519
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3520