000 00337nam a2200133Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
072 _aEduca
082 _a370.15 Ski.M4
_21964
100 _aSkinner Charles,E.
245 0 _aEducational Psychology
260 _c0
_bPrentice-Hall Of India
_aNew Delhi
300 _a755 p,
942 _cSU
999 _c85793
_d85793