• Journal for Research in Mathematics Education (1993) Vol. 24, No. 5

    lSSN 0021-825 I JOURNAL FOR RESEARCH IN 0 MATHEMATICS EDUCATION VOLUME 24 NUMBER 5 NOVEMBER 1993 National Council of Teachers of Mathematics The ) oumal for R esearclr ;, Matll ematic.f Educntio11 . an officml JOUrnal of the National Council of Teachers of Mathemattic, i• devoted to the tntere;ts of teachers of mathemn