Guía para realizar investigaciones sociales. Rojas Soriano, Raúl Físico
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TextPublication details: México: Plaza y Valdes, 1987Edition: 8a. edDescription: 286p. il. ; 21cmSubject(s): DDC classification: - 8a. ed. 300.72 R741:8 5
Bibliografía: 283-286
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