The Relationship between Mental Toughness and Sports Performance Perception among Secondary School Athletes: A Cross-sectional Analysis. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 13, n. 4, 2024. Disponível em: https://www.ijarped.com/index.php/journal/article/view/3231. Acesso em: 25 mar. 2026.