000 00303nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aSkinner,Charles E.
245 _aEducational Psychology
250 _a4TH
260 _aNEW DELHI
_bPRENTICE HALL
_c1977
300 _a755
700 _a
_a
999 _c4118
_d4118