000 00287nam a22001337a 4500
020 _a9788184090611
082 _a540
100 _aSingh, D. R.
245 _aChemistry Practicals Class 11
260 _aNew Delhi
_bFrank Bros
_c2006
300 _a202p
650 _aChemistry
942 _cBK
999 _c458
_d458