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1841
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1843
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1844
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1845
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1846
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1848
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1849Published in 2008Repositorio Repositorio Institucional USTA
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1850
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1851
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1852
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1853
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1854
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1855
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1856
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1857Published in 2008Repositorio Universidad Santo Tomás
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1858
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1860Article of journalPublished in 2006Repositorio Repositorio Universidad Javeriana
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