00304nam a2200121Ia 450000500170000000800410001704100080005808200160006610000160008224500270009826000480012530000090017320260720174543.0260720s2006 xx 000 0 und d aeng a370.15 PRUE aPruthi, R K aEducational psychology aNew DelhibDiscovery Publishing Housec2006 a339p