000 00344nam a2200145Ia 4500
020 _a9812357939
082 _b2108
_a510
100 _a"Heng Hwa Heng"
245 0 _aElementary Mathematics
260 _b,Pearson Education
_aSingapore
_c2001
300 _a207
944 _cBK
999 _c630678
_d630678