000 00343nam a2200145Ia 4500
020 _a9780435028091
082 _bT-1018
_a510
100 _a"NA"
245 0 _aPrimary mathematics
260 _b,London : Heinemann Educational, 1985.
_c1995
300 _a77
944 _cTB
999 _c277225
_d277225