000 00327nam a2200145Ia 4500
040 _cPK-LaCSN
082 _a540
_bBHA
100 _aKhokhar, Anwar-ul-Haq
245 0 _aChemistry 1o
260 _c2008
_bMajeed Sons
_aLahore
300 _a400
942 _cTR
999 _c859736
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