Search Results - Ospina Díaz Juan Manuel

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    Sexual behaviors and Practices among university students Prácticas y comportamientos sexuales en estudiantes universitarios by MANRIQUE ABRIL FRED GUSTAVO, OSPINA DÍAZ JUAN MANUEL

    Published 2007
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    Salud y trabajo: minería artesanal del carbón en Paipa, Colombia Health and work: Artisanal coal mining in Paipa (Province of Boyacá), Colombia Saúde e trabalho: mineração ar... by Guío GARZÓN JOSÉ Alfredo, Manrique Abril Fred Gustavo, Ospina Díaz Juan Manuel

    Published 2010
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