000 00354nam a2200157Ia 4500
020 _a,9789696230281
040 _cPK-LaCSN
082 _a540
_bRED
100 _aNA,
245 0 _aChemistry topical 2000-2012
260 _c2022
_bUrdu Bazar
_aLahore
300 _a584
942 _cTR
999 _c859744
_d859721