Analysis of the results of the Pisa 2018 test in mathematics for America. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 33, n. 1, p. 104–114, 2021. DOI: 10.33975/riuq.vol33n1.463. Disponível em: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/463. Acesso em: 25 jun. 2026.