000 00264nam a2200121Ia 4500
100 _aAggarwal, S K
020 _a81-7099-157-9
942 _cBK
245 _aMedia Credibility
260 _aMittal Publ, New delhi
_c1989
082 _a070.11 Agg
300 _axii;246
999 _c61077
_d61077