PEHKONEN, Leila. To change or not to change – how primary school teachers speak about stability and change. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 12, n. 2, p. 57–76, 2007. DOI: 10.7146/nomad.v12i2.148030. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148030. Acesso em: 6 dec. 2025.