000 00264nam a2200121Ia 4500
100 _aYadav, M.S.
020 _a81-7041-944-1
942 _cBK
654 _a
245 _aTeaching of chemistry
260 _aNew Delhi
_bAnmol Publications
_c1995
082 _a375.54
999 _c351988
_d351988
041 _aeng