Profiles in understanding the density of rational numbers among primary and secondary school students. Advances of Research in Mathematics Education, [S. l.], n. 22, p. 47–70, 2022. DOI: 10.35763/aiem22.4034. Disponível em: https://aiem.es/aiem/article/view/v22-gonzalez-fernandez--vanhoof-etal. Acesso em: 20 may. 2026.