000 00316nam a2200145Ia 4500
020 _a9780195979596
082 _bT-79
_a510
100 _a"Seng,Teh Keng"
245 0 _aMathematics workbook 1
260 _c2008
300 _a162
944 _cTB
999 _c589047
_d589047