000 00342nam a2200145Ia 4500
020 _a0195773799
082 _b4412
_a510
100 _a"Tan,Winnie"
245 0 _aProgressive Mathematics 6B
260 _b,oxford uni press
_akarachi
_c1987
300 _a146
944 _cTR
999 _c551226
_d551226