000 00276nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _akumar, kolasani Sunil
245 0 _aMethods Of Teaching Chemistry
260 _aNew Delhi
_bDiscovery
_c2006
300 _a339p.
942 _cBK
999 _c13294
_d13294