000 00325nam a2200145Ia 4500
020 _a9789814011822
082 _b904
_a510
100 _a"TAN JWEE SENG"
245 0 _aMATHEMATICS
260 _b,LEARNERS
_aSINGAPORE
_c1993
300 _a26
944 _cTR
999 _c370258
_d370258