Browsing by Author Bobadillo, Willian

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Showing results 18 to 18 of 18 < previous 
Issue DateTitleAuthor(s)
1985Seguridad e higiene ocupacional. 19Pinzón, Jairo; Bobadillo, Willian; Carvajal, Alberto; Ojeda, Mario; Nieto, Carlos; López, Rafael; Galvis, Oscar