00390cam a2200169   450000500170000024500550001702000050007210000290007704400160010625000090012204100080013130000180013950000050015783000050016226000380016708200150020520260711133812.0  aProblemas de Psicologia Social En America Latinab  a  aBaró, Ignacio Martìn  aEl Salvador  a1ª   aspa  a398 p. 21 cm.  a  v  aSan Salvador bUCA Editoresc1976  a302bM379p