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261Article of journalPor Escobar Melo, Hugo; Pontificia Universidad Javeriana; Latorre Velásquez, Diana Carolina; Universidad Pedagógica y Tecnológica de ColombiaPublished in 2010Repositorio Repositorio Universidad Javeriana
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262Article of journalPublished in 2009Repositorio Repositorio Institucional UPN
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263Published in 2018Repositorio Repositorio EdocUR - U. Rosario
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264Published in 2014Repositorio Repositorio EdocUR - U. Rosario
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265Article of investigationPor Pérez Giraldo, Jaime Alberto; Aristizábal Rivera, Juan Carlos; Ortiz Uribe, Álvaro; Jaramillo Londoño, Hilda NorhaPublished in 2009Repositorio Repositorio UdeA
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266
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268Article of journalPor Sobrino, WaldoPublished in 2018Repositorio Repositorio Universidad Javeriana
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269Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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270Published in 2012Repositorio Repositorio Uninorte
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271Published in 2010Repositorio Repositorio Institucional USTA
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272Published in 2010Repositorio Repositorio Institucional USTA
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273Published in 2010Repositorio Universidad Santo Tomás
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274Article of journalPublished in 2005Repositorio Repositorio Universidad Javeriana
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275Article of journalPublished in 2009Repositorio Universidad Nacional de Colombia
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276Published in 2015Repositorio Repositorio EdocUR - U. Rosario
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277Article of journalPublished in 2020Repositorio Repositorio Institucional UPN
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278Published in 2016Repositorio Repositorio EdocUR - U. Rosario
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279
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280Article of journalPublished in 2013Repositorio Universidad Nacional de Colombia
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