JOHANSSON, Bengt; EMANUELSSON, Göran. Från redaktionen i Mölndal. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 3, n. 1, p. 4–6, 1995. DOI: 10.7146/nomad.v3i1.146149. Disponível em: https://tidsskrift.dk/NOMAD/article/view/146149. Acesso em: 7 dec. 2025.