00398nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001600096100001600112245004000128260003600168300000900204650001500213OSt20260502112110.0250729s2010    xx            000 0 und d  a978-8120330559  cAL  aeng  a370.15 MANE  aS.K .Mangal  aEssential of educational psychology  aNew DelhibP H I Learningc2010  a726p  aPsychology