GREVHOLM, B.; RØNNING, F. Nordic collaboration in mathematics education research. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 15, n. 2, p. 95–101, 2010. DOI: 10.7146/nomad.v15i2.148245. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148245. Acesso em: 8 jan. 2025.