EMANUELSSON, G.; JOHANSSON, B. Korta bokanmälningar. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 2, n. 3-4, p. 93–96, 1994. DOI: 10.7146/nomad.v2i3-4.146144. Disponível em: https://tidsskrift.dk/NOMAD/article/view/146144. Acesso em: 9 jan. 2025.