000 00276nam a2200133Ia 4500
100 _aSharma, R.C.
365 _b21.25
942 _cBK
654 _a
245 _aModern Science teaching
260 _aDelhi
_bDhanpat Rai & Sons
_c1985
082 _a375.5
300 _ax,400
999 _c416940
_d416940
041 _aeng