000 00321nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aC. E. Skinner
245 _aEductional Psychology
250 _a1st
260 _aNEW DELHI
_bPRENTING ,HIOLL OF INDIA PRVT., LMT
_c1977
300 _a755
700 _a
_a
999 _c38969
_d38969