Apriantono, T., Juniarsyah, A. D., Adnyana, I. K., Hasan, M. F., & Resmana, D. (2023). The effect of speed training on the physical performance of adolescent futsal players. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, 9(1), 172-184. https://doi.org/10.29407/js_unpgri.v9i1.19047