000 00340nam a2200145Ia 4500
020 _a9789812085276
082 _b1000
_a510
100 _a"Cheng,Low Wai"
245 0 _aNew Elementary Mathematics W.Book-3
260 _aSingapore
_c1998
300 _a161
944 _cTR
999 _c246969
_d246969