000 00269nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, S.R .
245 0 _aMedia teaching & Open Learning
260 _aJaipur
_bMangal Deep
_c2006
300 _a306p.
942 _cBK
999 _c15249
_d15249