000 00272nam a2200121Ia 4500
100 _aSita Ram Sharma
020 _a81-7625-021-X
942 _cBK
245 _aMedia and learning
260 _aSarup & Sons, New Delhi
_c1998
082 _a371.3 Sha
300 _aii,314p ill.
999 _c30883
_d30883