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1521Article of journalPublished in 1993Repositorio Universidad Nacional de Colombia
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1522
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1523Article of journalPublished in 1999Repositorio Universidad Nacional de Colombia
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1524Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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1525Article of journalPublished in 2005Repositorio Universidad Nacional de Colombia
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1526Article of journalPublished in 1985Repositorio Universidad Nacional de Colombia
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1527
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1528Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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1529Article of journalPor Haah, JeongwanPublished in 2016Repositorio Universidad Nacional de Colombia
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1530Article of journalPublished in 1998Repositorio Universidad Nacional de Colombia
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1531Article of journalPor Grabócz, MártaPublished in 2008Repositorio Repositorio Institucional UPN
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1532Article of journalPublished in 2013Repositorio Repositorio Institucional UPN
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1533Por Loiralith Margarita Chirinos Portillo; Universidad de Zulia; Fabiola del Valle Tavares Duarte; Universidad de Zulia; María Eugenia Soto Hernández; Universidad de ZuliaPublished in 2011Repositorio Repositorio Uninorte
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1534Article of journalPublished in 2017Repositorio Repositorio Institucional UPN
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1535Article of journalPublished in 2018Repositorio Repositorio Institucional UPN
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1536Article of journalPublished in 2012Repositorio Repositorio Institucional UPN
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1537
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1538
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1539
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1540Published in 2004Repositorio Repositorio EdocUR - U. Rosario
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