00504nam a2200181Ia 450000500170000000800410001704100140005808200230007210000160009524500370011126000410014830000120018949000640020160000160026565000150028194200090029699900170030520260814103317.0260803t1971    xx            000 0 und d  afotocopia  aBIB/05.01.01/03335  aBeard, Ruth 0aPsicología evolutiva de Piaget  aBuenos Aires : bEd. Kapelusz,c1971  a127 pb  aBiblioteca de cultura pedagógica. Serie psicopedagógica  aJEAN PIAGET  aPSICOLOGIA  tMJCh  c16310d16310