Syaifullah, R., and I. Lingsir Maghribi. “Speed Analysis of the Front Kicks Technique in 2022 Pencak Silat World Champion Athletes: Kinematic Analysis”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 9, no. 1, Apr. 2023, pp. 146-59, doi:10.29407/js_unpgri.v9i1.19983.