Kurniawan, C., S. Sugiharto, and S. 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), Vol. 5, no. 2, May 2022, pp. 253-6, doi:10.33503/jp.jok.v5i2.1803.