MACÍAS HERNÁNDEZ, Efraín. Challenges and Opportunities in Teaching Mathematics in High School . DOCERE, [S. l.], n. 20, p. 21–24, 2019. DOI: 10.33064/2019docere202210. Disponível em: https://revistas.uaa.mx/docere/article/view/2210. Acesso em: 13 dec. 2025.