HUNTING, R. P.; LAMON, S. J. A re-examination of the role of instructional materials in mathematics education. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 3, n. 3, p. 45–64, 1995. DOI: 10.7146/nomad.v3i3.146182. Disponível em: https://tidsskrift.dk/NOMAD/article/view/146182. Acesso em: 9 jan. 2025.