000 00263nam a2200121Ia 4500
100 _aSkinner, C.E.
942 _cBK
245 _aEducational Psychology
260 _aDelhi
_bPrentice Hall
_c1964
082 _a370.15
_bSki
300 _a10,755
546 _aGujrati
999 _c340125
_d340125
041 _aeng