000 00344nam a2200145Ia 4500
020 _a9789812718792
082 _b01792
_a510
100 _a"Daniel Wong"
245 0 _aLet's Learn Mathematics
260 _bEPB Pan Pacific
_aSingapore
_c2007
300 _a191
944 _cBK
999 _c467160
_d467160