Noha Zulkarnain, A., A. Kristiyanto, and N. Rachma. “Effectiveness Body Weight Strength Training and Plyometric in the Speed and Agility Taekwondo Athletes”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 7, no. 2, Aug. 2021, pp. 219-31, doi:10.29407/js_unpgri.v7i2.15943.