The relationship between physical activity intensity, sleep quality and stress levels in adolescent physical fitness . Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 10, n. 1, p. 15–30, 2024. DOI: 10.29407/js_unpgri.v10i1.22331. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/22331. Acesso em: 1 apr. 2025.