Kurniawan, C., H. Hadi, and N. Novriansyah. “Speed and Power of Martial Athletes: Does Plyometrics Affect Active-Passive Recovery?”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 8, no. 4, Dec. 2022, pp. 327-41, doi:10.29407/js_unpgri.v8i4.18116.