000 00320nam a2200145Ia 4500
020 _a9780195979558
082 _bT-74
_a510
100 _a"Keng Seng"
245 0 _aMathematics 6th Edition Book 1
260 _c2011
300 _a420
944 _cTB
999 _c589042
_d589042