00304nam a2200121Ia 450000500170000000800410001704100080005808200160006610000150008224500400009726000360013730000090017320260720174813.0260720s2010    xx            000 0 und d  aeng  a370.15 MANE  aMangal S K  aEssential of Educational Psychology  aNew DelhibP H I Learningc2010  a726p