000 00432nam a2200145Ia 4500
008 170101s1966 xx 000 0 und d
082 _a372.7 R19U
100 _aRAPPAPORT, David
245 0 _aUnderstanding and teaching elementary school mathematics
260 _bN.Y.
_c1966
300 _a227p
650 _aMATHEMATICS -- STUDY & TEACHING (ELEMENTARY)
653 _aMATHEMATICS -- STUDY & TEACHING (ELEMENTAR
942 _2ddc
_cB
999 _c31396
_d31396