Kurniawan, Candra, Sugiharto Sugiharto, and Surisman Surisman. “The Effect of Uchikomi Seoi-Nage Exercise Using Kettler Rubber for 8 Weeks on Performance Physical Ability Judoka”. Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan) 5, no. 2 (May 30, 2022): 253-263. Accessed April 19, 2024. http://ejurnal.budiutomomalang.ac.id/index.php/jpjok/article/view/1803.