000 00330nam a2200145Ia 4500
020 _a9789814736817
082 _bT208
_a510
100 _a"Christina Soh"
245 0 _aMaths
260 _bMarshall Cavendish
_aSingapore
_c2017
300 _a248
944 _cTB
999 _c565758
_d565758