000			00330nam a2200133Ia 4500
100			_aBarry J Wadsworth
020			_a0-8013-0200-5
250			_a4th ed
942			_cBK
245			_aPiaget's theory of cognitive and affective development
260			_aLongman, New York _c1989
082			_a136.72 Wad
300			_axii,212p figs.
999			_c62323 _d62323