000 00331nam a2200133Ia 4500
005 20260720174753.0
008 260720s2011 xx 000 0 und d
041 _aeng
082 _a370.15 MATE
100 _aMathur S S
_9271662
245 _aEducational psychology
260 _aAgra
_bAggarwal Publication
_c2011
300 _a608p
999 _c245866
_d245866