00383nam a2200121Ia 4500008004100000040002500041082001800066100005600084245004300140250003000183260004000213300000800253230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a 371.3078 Sa4  aSampath, K., A. Pan Paneerselvam, and S. Santhanam  0aIntroduction to educational technology  aRevised / Enlarge Edition  bSterling Publishers Pvt, Ltd.c1998  a348