00371nam a2200145Ia 4500008004100000020001500041082001700056100002600073245002300099260003400122300000800156650001400164650002000178653002700198170901s1998    xx            000 0 und d  a818549424X  a370.15bS33S  aSharma, Hardawari Lal 0aShiksha-Manovigyan  aMeerutbMansi Prakashanc1998  a256  aEducation  aSocial sciences  aEducational psychology