GUTIÉRREZ, Ángel; JAIME, Adela. Current Challenges in Mathematics Education. Innovaciones Educativas, [S. l.], v. 23, n. 34, p. 198–203, 2021. DOI: 10.22458/ie.v23i34.3515. Disponível em: https://revistas.uned.ac.cr/index.php/innovaciones/article/view/3515. Acesso em: 3 may. 2026.