Creation of proportionality problems for the training of prospective primary school teachers. Uniciencia, [S. l.], v. 37, n. 1, p. 1–24, 2023. DOI: 10.15359/ru.37-1.14. Disponível em: https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/17112.. Acesso em: 14 may. 2024.