00322nam a2200133Ia 450000500170000000800410001704100080005808200160006610000170008224500270009926000390012630000090016565000140017420250729165341.0250729s2005    xx            000 0 und d  aeng  a370.78 BAJY  aVenkataiah S  aEducational Technology  aNew DelhibAshish Publishingc2005  a212p  aEducation