000 00371nam a2200145Ia 4500
020 _a0000000000000
082 _b1735
_a540
100 _a"Chemistry"
245 0 _aGCE O Level Chemistry Topic By Topic Past Paper 1977-1997
260 _bEPB Publisher
_aKarachi
_c1997
300 _a346
944 _cBK
999 _c474080
_d474080