000 00347nam a2200133Ia 4500
008 220107s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSkinner, C E
245 0 _aEducational psychology
250 _a4
260 _bPRENTICE - HALL , INC .
_aNew York
_c1977
653 _aPSYCHOLOGY
942 _c1
999 _c173916
_d173916