BJÖRKQVIST, O. Från redaktionen. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 9, n. 4, p. 1, 2004. DOI: 10.7146/nomad.v9i4.147131. Disponível em: https://tidsskrift.dk/NOMAD/article/view/147131. Acesso em: 5 dec. 2024.