Ontosemiotic reference model of proportionality: Implications for curricular design in primary and secondary education. Advances of Research in Mathematics Education, [S. l.], n. 18, p. 1–20, 2020. DOI: 10.35763/aiem.v0i18.255. Disponível em: https://aiem.es/aiem/article/view/3870. Acesso em: 20 may. 2026.