00477nam a2200181Ia 450000500170000000800410001704000190005804100120007708200160008910000190010524500550012425000230017926000280020230000210023050400190025165000140027085000110028420240518124637.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a371.33bAGG  aAggarwal, J.C.  aEssentials of Educational TechnologycJ.C.Aggarwal  ateaching learning   aDelhibVikas pub.c2004  aix, 463p.b ill.  aIncludes index  aEducation  aLCBED