URIN LAILA SA’ADAH; YUSUF HANAFI; HETTI RAHMAWATI; NINIK SETIYOWATI. Validation of a Mental Toughness Scale for Adolescent: A Study of Islamic Boarding School Students in Indonesian. International Journal of Body, Mind and Culture, [S. l.], v. 12, n. 3, p. 58–70, 2025. DOI: 10.61838/ijbmc.v12i3.864. Disponível em: https://ijbmc.org/index.php/ijbmc/article/view/864. Acesso em: 31 jul. 2025.