000 00333nam a2200145Ia 4500
020 _a0195846664
082 _b610
_a330
100 _a"Betsy Li"
245 0 _aGCSE COMMERCE
260 _bOxford Universty Press
_aSingapore
_c1997
300 _a160
944 _cTR
999 _c599962
_d599962