LAJOIE, C.; MURA, R. The danger of being overly attached to the concrete: the case of division by zero. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 6, n. 1, p. 7–21, 1998. DOI: 10.7146/nomad.v6i1.146497. Disponível em: https://tidsskrift.dk/NOMAD/article/view/146497. Acesso em: 9 jan. 2025.