00737nam a2200241Ia 4500 180050 BIBL 20180724022837.0 900801s1987 mx a b 000 0 spa d 9688560944 (OCoLC)22164244 EEM EEM PUXA H61 .R575 1987 Rojas Soriano, Raúl Local 161505 Guía para realizar investigaciones sociales Raúl Rojas Soriano. 1. ed. [México] Plaza y Valdes 1987. 286 p. ill. 21 cm. Includes bibliographical references (p. 283-286) Sociology Methodology. Local 172106 171848 Social sciences Methodology. Local 138028 138028 0 0 lc 0 H_61_000000000000000__R575_1987 0 mbl 96209 12 12 20 2016-05-27 G. Ortiz 18.00 266182 0 H61 .R575 1987 50000001856383 2016-05-27 00:00:00 r:180050 z:NCC:D 6