000 00508nam a2200193Ia 4500
003 OSt
005 20250809104844.0
008 250729s2006 xx 000 0 und d
020 _a978-9325976153
040 _cAL
041 _aeng
082 _a370.78 DEST
100 _aAggrarwal J C
_9221158
245 _aEssential of educational technology , teaching ,learning
260 _aNew Delhi
_bOrbis Books Sonali Publication
_c2006
300 _a224p
650 _aEducation
_9221159
942 _2ddc
_cBED
999 _c234880
_d234880