• Journal for Research in Mathematics Education (1976) Vol. 7, No. 1

    ISSN 0021-8251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION An Analysis of Some of Piaalt's Topolollcal Tasks tram 1 Mathematical Point of View J Larry Martin A Test with Selected TopoiQiical Properties of Plqefs Hypoth•ls concemlna the Spatial Repr•entation of the Y01111 Child } Larry Martin EllmtntaiJ and Middle Sch