HERHEIM, Rune. Communication and learning at computers: an overview. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 15, n. 2, p. 69–94, 2010. DOI: 10.7146/nomad.v15i2.148244. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148244. Acesso em: 7 dec. 2025.