000 00342nam a2200145Ia 4500
020 _a0000000000000
082 _bT903
_a510
100 _a"Teh keng seng Bsc,Dip ed"
245 0 _aMathematics 6th edition 1
260 _bOxford
_auk
_c2018
300 _a430
944 _cTB
999 _c253411
_d253411