RØNNING, Frode. News from Nordic mathematics education. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 16, n. 1-2, p. 115–123, 2011. DOI: 10.7146/nomad.v16i1-2.148394. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148394. Acesso em: 6 dec. 2025.