Self-Efficacy and Mathematics Achievement: The Mediating Role of Social Support . International Journal on Studies in Education, [S. l.], v. 8, n. 3, p. 837–856, 2026. DOI: 10.46328/ijonse.8554. Disponível em: https://ijonse.net/index.php/ijonse/article/view/8554. Acesso em: 9 jun. 2026.