01115nam a22002531i 450099100280724970753620030831100925.0030925s1995 fi |||||||||||||||||eng b12341137-39ule_instARCHE-038867ExLBiblioteca InterfacoltàitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.510.7NORMA-94 conference :proceedings of the Nordic conference on mathematics teaching in Lahti, 1994 /Erkki Pehkonen (ed.)Helsinki :[s.n.],19951 v. ;21 cmResearch report / University of Helsinki, Department of teacher education ;141MatematicaInsegnamentoCongressi1994Pehkonen, Erkkiauthorhttp://id.loc.gov/vocabulary/relators/aut454837.b1234113702-04-1408-10-03991002807249707536LE002 D Ann. 898/14112002000129130le002-E0.00-l- 00000.i1274400108-10-03NORMA-94 conference1458797UNISALENTOle00208-10-03ma -engfi 01