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6901
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6905
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6907
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6908
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6909
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6911
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6912
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6913Article of journalPublished in 2006Repositorio Repositorio Universidad Javeriana
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6914
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6915
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6916Published in 2012Repositorio Repositorio Institucional USTA
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6917
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6918
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6919
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6920Published in 2012Repositorio Universidad Santo Tomás
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Get full text