000 00348nam a2200145Ia 4500
020 _a0000000000
082 _bT-508
_a510
100 _a"Choon Hong Tay"
245 0 _aTextbook of Mathematics Grade 9
260 _bFEDERAL PUB
_aSINGAPORE
_c2011
300 _a356
944 _cTB
999 _c771644
_d771644