Sanjaya, Oksandi, Deffri Anggara, and Azizatul Banat. “Efforts in Improving Squat Style Long Jump Skills Using the Rubber Exercise Method for Grade VIII A of MTSN 1 Seluma”. Sinar Sport Journal 2, no. 1 (June 16, 2022): 7–14. Accessed June 4, 2026. https://penerbitadm.pubmedia.id/index.php/SSJ/article/view/614.