000 00283nam a2200121Ia 4500
100 _aGagg, J.C.
942 _cBK
654 _a
245 _aTeaching primary arithmetic
260 _aLondon
_bNewnes Educational Publishing Co. Ltd.
_c1956
082 _a372.7
300 _bHb
_c2.9
_a94
999 _c414922
_d414922
041 _aeng