000 00303nam a2200133Ia 4500
100 _aChauhan, S. S.
365 _b50
942 _cBK
654 _a
245 _aInnovations in teaching-learning process
260 _aNew Delhi
_bVikas Publishing House
_c1994
082 _a371.3
300 _aviii,190
999 _c351117
_d351117
041 _aeng