00402nam a2200145Ia 4500008004100000020001500041082001700056100001700073245003600090260006100126300000800187650001400195650002000209653002700229170901s1992    xx            000 0 und d  a8120407016  a370.15bK11A  aKakkar, S.B. 0aAdvanced Educational Psychology  aNew DelhibOxford and IBH Publishing Co. Pvt. Ltd.c1992  a486  aEducation  aSocial sciences  aEducational psychology