00481nam a2200181Ia 450000500170000000800410001704000190005804100120007708200160008910000190010524500550012425000230017926000320020230000210023450400190025565000140027485000110028820240518124522.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a371.33bAGG  aAggarwal, J.C.  aEssentials of Educational TechnologycJ.C.Aggarwal  ateaching learning   aNew DelhibVikas pub.c2000  axi, 463p.b ill.  aIncludes index  aEducation  aLCBED