Apriantono, Tommy, Agung Dwi Juniarsyah, I Ketut Adnyana, Muhamad Fahmi Hasan, and Dadan Resmana. “The Effect of Speed Training on the Physical Performance of Adolescent Futsal Players”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 9, no. 1 (April 30, 2023): 172-184. Accessed May 17, 2024. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/19047.