000 00317nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aGupta N.K
245 0 _aChemistry Textbook for Class XI
260 _bNational Council of educational research and training
260 _c2014
365 _b105.00
942 _cBK
999 _c160262
_d160262