Working as mathematics teacher educators at the meta-level (to the focus of the teachers on developing their teaching). Advances of Research in Mathematics Education, [S. l.], n. 13, p. 105–122, 2018. DOI: 10.35763/aiem.v0i13.230. Disponível em: https://aiem.es/aiem/article/view/3931. Acesso em: 20 may. 2026.