FATCHURRAHMAN, F.; SUDIJANDOKO, A.; WIDODO, A. The comparison of the effect of ladder drills in out training and ladder drills ickey shuffle exercises on increasing speed and agility. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 5, n. 1, p. 154–165, 2019. DOI: 10.29407/js_unpgri.v5i1.12753. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/12753. Acesso em: 5 jan. 2025.