00303nam a2200121Ia 450000500170000000800410001704100080005808200160006610000170008224500320009926000410013130000090017220260720174602.0260720s2005    xx            000 0 und d  aeng  a311.22 AGAM  aAgarwal, L P  aModern educational research  aNew DelhibDominant Publishersc2005  a310p