00527nam a2200193Ia 450000500170000000800410001702000240005804000190008204100120010108200170011310000170013024500680014726000340021530000160024965000140026565100270027970000160030685000110032220240429145345.0131103s9999    xx            000 0 und d  a9.79E+12cRs.395.00  aLoreto College  aEnglish  a371.33 bMAN  aMangal, S.K.  aEssentials  of Education TechnologycS.K. Mangal and Uma Mangal  aNew DelhibPHI Learningc2009  axxiv,812p.   aEducation  aEducational technology  aMangal, Uma  aLCBED