000 00309nam a2200133Ia 4500
008 221229s9999 xx 000 0 und d
100 _aSkinner, Charles E. Ed.
245 0 _aEducational Psychology
250 _a4th
260 _aNew Delhi
_bPHI
_c2005
300 _ax,755
650 _aEducation
942 _cBK
999 _c5955
_d5955