Harsono, Priyaka Irfan Astama, Abdul Sukur, and Fahmy Fachrezzy. 2023. “Kinetic Analysis Using Electromyography Against Yeop Chagi in Taekwondo Poomsae Athletes State University of Jakarta ”. Gladi : Jurnal Ilmu Keolahragaan 14 (01), 74 - 93. http://103.8.12.212:33180/unj/index.php/gjik/article/view/27473.