GREVHOLM, B.; RØNNING, F. Nordic collaboration in mathematics education research – continued. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 15, n. 1, p. 97–102, 2010. DOI: 10.7146/nomad.v15i1.148239. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148239. Acesso em: 8 jan. 2025.