HERSET, Maria; EL GHAMI, Mohamed; HESSEN BJERKE, Annette. Investigating differentiation: exploring the impact of task difficulty labelling on students’ mathematics performance. NOMAD Nordic Studies in Mathematics Education, [S. l.], v. 30, n. 1, p. 5–24, 2025. DOI: 10.7146/nomad.v30i1.152734. Disponível em: https://tidsskrift.dk/NOMAD/article/view/152734. Acesso em: 25 dec. 2025.