00544nam a2200181Ia 450000500170000000800410001702000180005804000190007604100120009508200170010710000160012424500940014026000500023430000100028450400400029470000170033485000110035120240429142701.0140110s9999    xx            000 0 und d  a9788131303610  aLoreto College  aEnglish  a371.33 bSIN  aSingh, Y.K.  aEducational Technology : bTeaching LearningcY.K. Singh, T.K. Sharma and Brijesh Upadhya  aNew DelhibA P H Publishing Corporationc2008  a332p.  aIncludes bibliographical references  aSharma, T.K.  aLCBED