ENGSTRÖM, L.; LINGEFJÄRD, T. Posing problems using Cabri. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 12, n. 3, p. 57–82, 2007. DOI: 10.7146/nomad.v12i3.148037. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148037. Acesso em: 12 dec. 2024.