000 00317nam a2200133Ia 4500
008 211201s2013 xx 000 0 eng d
082 _a540.7
100 _aSharma, B.L. & Saxena B.M.
245 0 _aTeaching of Chemistry
260 _bR.LALL
_aMEERUT
_c2013
300 _a278
650 _aEducation
942 _2ddc
_cDOE
999 _c4487
_d4487