• Journal for Research in Mathematics Education (1995) Vol. 26, No. 1

    JOURNAL FOR RESEARCH IN MATHEMATICS NATIONAL COUNCil OF TEACHE~S OF MATHE M ... TICS VOLUME 26 NUMBER 1 JANUARY 1995 ,.~ ,.,,.,,l(l/for Rt•t•'"' Ill \l4tltrlftt>II~J , tflltiJIIult. an ar jo:v!W ot Ur -...woo.al Council of Tt3Chr<" c4 \I.Mh<- r= domCcd llllhr U!laOI> Lof •~ilcn of ~-sand matbcmahn ~ducatoon 11 II le•ch