000 00351nam a2200145Ia 4500
020 _a0435028065
082 _bTR-120
_a510
100 _a"JOHN T. BLAIR"
245 0 _aPrimary mathematics
260 _bLondon : Heinemann Educational, 1984.
_c1975
300 _a211
944 _cTR
999 _c796187
_d796187