• Journal for Research in Mathematics Education (1984) Vol. 15, No. 4

    ISSN 0021 -8251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCA: ION VOLUMffi15 NUMrnER4 JULY 1984 National Council of Teachers of Mathematics A Journal of the National Council of Teachers of Mathematics The joumal for Research in Mathematics Education is devored ro 1he inreresrs of reachers of marhemarics and marhemarics ed