HELENIUS, O.; AHL, L. M. Gérard Vergnaud in action. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 27, n. 1, p. 71–80, 2024. Disponível em: https://tidsskrift.dk/NOMAD/article/view/149185. Acesso em: 21 nov. 2024.