00405nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100001700111245003900128260004500167300000900212650001400221OSt20260318124835.0250729s2008    xx            000 0 und d  a978-8125938477  cAL  aeng  a370.1 AGGT  aJ.C.Aggarwal  aTheory and principles of education  aNoida (UP)bVikas Publishing Housec2008  a461p  aEducation