000 00392nam a2200109Ia 4500
100 _aApte, Vinita
942 _cTH
245 _aAn Experimental investigation of the development of the concept of number in children belonging to different socioeconomic levels in Pune city
260 _aMumbai
_bS.N.D.T. Women's University
_c1995
300 _axxvii,528
999 _c127844
_d127844