00335nam a2200133Ia 450000500170000000800410001704100080005808200160006610000170008224500400009926000380013930000090017765000150018620250729165745.0250729s2013    xx            000 0 und d  aeng  a370.15 AGGE  aJ C Aggarwal  aEssential of Educational Psychology  aBangalorebVikas Publishingc2013  a596p  aPsychology