000 00414nam a2200181Ia 4500
008 210628s9999 xx 000 0 und d
082 _a540
082 _bUSM-F
100 _aUsman Ellahi Sheikh
245 0 _aFIRST TWENTY MINUTES
245 0 _bPRACTICAL OBJECTIVE PART-2
260 _apak (Gujranwala)
260 _bHaroon Publishers
260 _c2005
300 _a74
300 _bpbk
546 _aEng.
650 _aChemistry ii
999 _c24193
_d24193