000 00265nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, R.A.
245 0 _aEssentials Of Educational Technology
260 _aMeerut
_bLBD
_c2004
300 _a404p.
942 _cBK
999 _c11358
_d11358