CELIS-GALÁN, Dolky José. Teaching Mathematics for Sustainable Development in Official Educational Institutions: Theoretical and Argumentative Contributions Based on the Key Competence of Problem Solving. Nexus: Multidisciplinary Research Journal, [S. l.], v. 2, n. 4, p. 154–172, 2025. Disponível em: https://nexushouseeditorial.com/index.php/nexus/article/view/66. Acesso em: 25 mar. 2026.