000 00335nam a2200145Ia 4500
020 _a981010765X
082 _bT 38
_a510
100 _a"WINNIE TAN"
245 0 _aMATHEMATICS
260 _b,FEDERAL PUBLICATION LTD.
_aSINGAPORE
_c1998
300 _a80
944 _cR
999 _c581000
_d581000