HAAVOLD, Per Øystein; STORAAS, Ane; JOHNSEN, Marthe; STRAND, Kristoffer; HEIMSTAD, Carina. Opportunity to learn in Norwegian and Finnish lower secondary mathematics textbooks. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 30, n. 1, p. 25–58, 2025. DOI: 10.7146/nomad.v30i1.152930. Disponível em: https://tidsskrift.dk/NOMAD/article/view/152930. Acesso em: 5 dec. 2025.