NISS, M. What is quality in a PhD dissertation in mathematics education?. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 15, n. 1, p. 5–23, 2010. DOI: 10.7146/nomad.v15i1.148234. Disponível em: https://tidsskrift.dk/NOMAD/article/view/148234. Acesso em: 8 jan. 2025.