000 00283nam a2200121Ia 4500
100 _aDrew, C. E
020 _a0 7062 3306 9
942 _cBK
245 _aModern mathematics in the junior school
260 _aWard lock educational, London
_c1970
082 _a372.7 Dre
300 _a104
999 _c9447
_d9447