Hidayat, A., R. Pratama, and B. Hardiyono. “Effectiveness of Skipping Exercises and Bench Step-up Againts Explosive Power Leg Muscles”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 6, no. 4, Dec. 2020, pp. 1-14, doi:10.29407/js_unpgri.v6i4.15316.