000 00287nam a2200121Ia 4500
999 _c6912
_d6912
005 20220309144846.0
008 201007s9999 xx 000 0 und d
100 _aNEGI,J.S.
245 0 _aTEACHING OF CHEMESTRY SCIENCE
260 _aAGRA
_bVINOD BOOKS
300 _a312p.
942 _cBK
_2ddc