Comparative study of hardiness among student-athletes and non-athletes. Revista de Psicología del Deporte (Journal of Sport Psychology), [S. l.], v. 29, n. 2, p. 221–229, 2020. Disponível em: https://rpd-online.com/manuscript/index.php/rpd/article/view/3.. Acesso em: 25 may. 2026.