000 00338nam a2200145Ia 4500
020 _a9780195979558
082 _bT140
_a510
100 _a"Teh Keng Seng"
245 0 _aMathematics 6th Edition 1
260 _bOxford
_aSingapore
_c1982
300 _a420
944 _cTB
999 _c472046
_d472046