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47061Article of journalPublished in 1980Repositorio Repositorio Institucional UPN
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47062Article of journalPublished in 1996Repositorio Repositorio Institucional UPN
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47063Article of journalPublished in 2005Repositorio Repositorio Institucional UPN
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47064Article of journalPublished in 1980Repositorio Repositorio Institucional UPN
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47065Article of journalPublished in 2017Repositorio Repositorio Institucional UPN
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47066Article of journalPor Vera G., CésarPublished in 1980Repositorio Repositorio Institucional UPN
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47067Article of journalPublished in 1994Repositorio Repositorio Universidad Javeriana
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47068Article of journalPublished in 2012Repositorio REDICUC - Repositorio CUC
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47069Trabajo de grado de pregradoPublished in 2010Repositorio RIUD: repositorio U. Distrital
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47070Published in 1999Repositorio Repositorio Universidad de la Sabana
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47071Published in 2010Repositorio Repositorio EdocUR - U. Rosario
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47072Published in 2011Repositorio Repositorio UMNG
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47073Published in 2011Repositorio Repositorio UMNG
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47074Published in 2013Repositorio Repositorio UMNG
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47075Published in 2012Repositorio Repositorio UMNG
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47076Published in 2010Repositorio Repositorio UMNG
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47077Published in 2013Repositorio Repositorio UMNG
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47078Published in 2013Repositorio Repositorio UMNG
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47079Published in 2013Repositorio Repositorio UMNG
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47080Published in 2011Repositorio Repositorio UMNG
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