000 00283nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aRao SN
245 0 _aEducational Psychology
260 _bWiley
260 _c1990
365 _b90.00
650 _aExtension
942 _cBK
999 _c238248
_d238248