000 00349nam a2200145Ia 4500
020 _a0195773799
082 _bt-693
_a510
100 _a"Tan,Winnie"
245 0 _aProgressive Mathematics 6B
260 _boxford university press
_apakistan
_c1997
300 _a84
944 _cTB
999 _c676871
_d676871