000 00318nam a22001337a 4500
999 _c156405
_d156405
082 _a
_b
100 _aM I Khan
100 _aS R Sharma.
245 _aInstructional technology:
_bMedia and theory/
_cby M I Khan and S R Sharma.
260 _a
_bKanushka,
_c1993.
300 _a340p.
650 _a
942 _cBK