00618nam a2200205Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001700096100002500113245005900138260002000197300000900217650002200226942001300248999001900261952013200280OSt20251128103640.0250729s2006    xx            000 0 und d  a978-9325976153  cAL  aeng  a371.333 AGGE  aAggarwal J C9225241  aEssentials of educational technology:teaching learning  aNew Delhic2006  a463p  aEducation9225242  2ddccBED  c236817d236817  00104070aALbALd2025-07-29eSita Book Houseg195.00l0o371.333 AGGEpBED02136r2026-05-04 11:51:43v195.00w2025-07-29yBK