000 00330nam a2200145Ia 4500
020 _a9789814736787
082 _bT202
_a510
100 _a"Christina Soh"
245 0 _aMaths
260 _bMarshall Cavendish
_aSingapore
_c2017
300 _a224
944 _cTB
999 _c565752
_d565752