000 00308nam a2200121Ia 4500
100 _aSamanta, R. K
020 _a81-7099-335-0
942 _cBK
245 _aManual on instructional aids for teaching excellence
260 _aMittal publications, New Delhi
_c1991
082 _a371.33 Sam
300 _aviii,160
999 _c35549
_d35549