The effect of exercise variation methods on leg muscle strength and its contribution to improving volleyball smash results. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 10, n. 1, p. 126–138, 2024. DOI: 10.29407/js_unpgri.v10i1.22242. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/22242. Acesso em: 1 apr. 2025.