000 00326nam a2200145Ia 4500
020 _a9780195477412
082 _b865
_a510
100 _a"LU JITAN"
245 0 _aPRIMARY MATHEMATICS
260 _bOXFORD
_aSingapore
_c2007
300 _a251
944 _cTR
999 _c553046
_d553046