000 00282nam a2200121Ia 4500
100 _aHowson A. G.
020 _a0-7005-0614-4
942 _cBK
245 _aA review of research in Mathematical education
260 _aNfer-Nelson
_c1983
082 _a510.7 How
300 _aP.viii,72
999 _c21902
_d21902