00000cam a22000004a 4500 UP-8027390931313532526 Buklod 20070912122456.0 m |o d | ta 050107s1954 nyu|||| r |||| u|eng d (iLib)UPVIS-00000022828 LB1131 P4853 Piaget, Jean. The construction of reality in the child Jean Piaget ; translated by Margaret Cook. New York Ballantine Books c1954. 434 p. Child development. UPVIS UPV-ML LB1131 .P4853 Book