00494nam a2200145Ia 450000500170000000800410001704100080005808200160006610000310008224500440011326000370015765000200019499900190021495201150023320250729165811.0250729s2022    xx            000 0 und d  aeng  a550.25 RAMU  aB.R.Ramachandraiah9233292  aThe Essential of Educational Technology  aMysorebVismaya Prakashanac2022  aScience9233293  c240208d240208  00104070aALbALd2025-07-29eManagement Bookl0o550.25 RAMUpBED05527r2025-07-29 16:58:11w2025-07-29yBK