HERNAWAN; NUGRAHA, Hartman; RIDWAN, Mukhtar; MAKADADA, Fredrik Alfrets. Influence of outdoor education learning models and mental toughness on cardiorespiratory fitness levels. SPORT TK-EuroAmerican Journal of Sport Sciences, [S. l.], v. 13, p. 55, 2024. DOI: 10.6018/sportk.635181. Disponível em: https://revistas.um.es/sportk/article/view/635181. Acesso em: 12 sep. 2026.