RYSTEDT, Elisabeth; KILHAMN, Cecilia; HELENIUS, Ola. What’s there in an n? Investigating contextual resources in small group discussions concerning an algebraic expression. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 21, n. 1, p. 5–26, 2016. DOI: 10.7146/nomad.v21i1.148715. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148715. Acesso em: 6 dec. 2025.