000 00414nam a2200169Ia 4500
003 LDD
040 _cLDD
082 _a371.3 C394I- 2
100 _aChauhan, S. S.
245 0 _aInnovations in teaching-learning process
_cS. S. Chauhan
250 _a2nd ed.
260 _aNew Delhi
_bVikas publishing house
_c1979
300 _aviii, 190p
365 _b50.00
903 _bGifted by : B N Kaul
942 _2ddc
_cG
999 _c14418
_d14418