000 00338nam a2200145Ia 4500
020 _a0195773789
082 _b1018
_a510
100 _a"TAN WINNIE"
245 0 _aProgressive Math - 6A
260 _bOxford University Press
_aNA
_c1987
300 _a146
944 _cTR
999 _c698057
_d698057