00722nam a2200241Ia 4500 183168 BIBL 20170223064020.0 900905s1993 ag a 000 0 spa d 9505501048 (OCoLC)22333383 PBR PBR PUXA 300.72 A543t2c Ander-Egg, Ezequiel Local 52636 Técnicas de investigación social Ezequiel Ander-Egg. 23. ed. Buenos Aires Editorial Magisterio del Ríode la Plata 1993 500 p. ill. Colección guidance Local 76387 Includes bibliographies. 171848 Social sciences Research. Local 140362 140362 0 0 0 361_072000000000000_A543T_1993 0 evl 116905 10 10 1 2016-05-27 270302 0 361.072 A543t 1993 80000001736597 2016-05-27 00:00:00 r:183168 z:NCC:A 6