000 00397nam a2200145Ia 4500
700 _aBrydegaard, Marguerite (Ed)
100 _aSpencer, Peter Lincoin
250 _aRevised Edition
942 _cBK
654 _a
245 _aBuilding mathematical competence in the elementary school
260 _aNew York
_bHolt, Rinehart and Winston
_c1966
082 _a372.7
300 _bHb
_c23.5
_axii,404
999 _c407204
_d407204
041 _aeng