000 00356nam a2200145Ia 4500
020 _a9789812719652
082 _b1134
_a510
100 _a"DR Y.H LEONG"
245 0 _aCHALLENGING PROBLEMS IN MATHEMATICS FOR PRIMARY SCHOOLS INTERMEDIATE
260 _c0
300 _a0
944 _cTR
999 _c566958
_d566958