ALSETH, Bjørnar. Undervisning i problemløsningsstrategier. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 3, n. 3, p. 7–26, 1995. DOI: 10.7146/nomad.v3i3.146180. Disponível em: https://tidsskrift.dk/NOMAD/article/view/146180. Acesso em: 6 dec. 2025.