01493cam0-2200433-i-450-99000885455040332120100506111556.02-9801012-0-6vol. 12-9801012-1-4vol. 22-9801012-2-2vol. 3000885455FED01000885455(Aleph)000885455FED0100088545520090513d1987----km-y0itay50------baengfrea---a---101yyPsychology of mathematics educationPME-XIthe proceedings of the Eleventh International Conference, Montreal, July 19-July 25, 1987edited by Jacques C. Bergeron, Nicolas Herscovics, Carolyn Kieran[S. l.s.n.]19873 v.22 cmPsychology of Mathematics Education11v. 1, 2, 3PME-XIMontreal, 1987MatematicaStudio e insegnamento372.721itaBergeron,Jacques C.Herscovics,NicolasKieran,CarolynInternational Conference for the Psychology of Mathematics Education11.<1987 ;Montreal, Québec>505690ITUNINAREICATUNIMARCBK990008854550403321CPDM-97-065-(1299MA1CPDM-97-065-(2300MA1CPDM-97-065-(3301MA1MA197-XXPsychology of mathematics education804180UNINA