000 00306nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a8175791551
100 _aSharma,R.A.
245 _aAdvanced Educational Technology
260 _aMeerut
_bLoyal Book Depot
_c2012
300 _axii,819p.;24cm
942 _cBK
999 _c6099
_d6099