000			00316nam a2200133Ia 4500
100			_aPiaget, Primer
520			_a1 Jean Piaget and His Theory
942			_cBK
654			_a
245			_aHow A Child Thinks
260			_aNew York _bInternational Universities Press, Inc _c1979
082			_a155.4
300			_a148
999			_c405561 _d405561
041			_aeng