000 00326nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aC. E . Skinner
245 _aEdutional Psychology
250 _a4ed
260 _aNEW DELHI
_bPRENTIONG ' HILL OF INDIA PRVT. LMT
_c1977
300 _a755
700 _a
_a
999 _c38901
_d38901