WYNDHAMN, J. Mediating artifacts and interaction in a computer environment – An exploratory study of the acquisition of geometry concepts. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 1, n. 2, p. 59–85, 1993. DOI: 10.7146/nomad.v1i2.144996. Disponível em: https://tidsskrift.dk/NOMAD/article/view/144996. Acesso em: 9 jan. 2025.