ZANTEN, M. van; HEUVEL-PANHUIZEN, M. van den. Past and current approaches to decimal numbers in Dutch primary school mathematics textbooks. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 20, n. 3-4, p. 57–82, 2015. DOI: 10.7146/nomad.v20i3-4.148692. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148692. Acesso em: 8 jan. 2025.