00303nam a2200121Ia 450000500170000000800410001704100080005808200160006610000150008224500400009726000350013730000090017220260720174807.0260720s2010    xx            000 0 und d  aeng  a370.15 MANE  aS.K.Mangal  aEssential of Educational Psychology  aNewdelhibP H I Learningc2010  a726p