Kusuma, Ketut Chandra Adinata, I Wayan Artanayasa, and Kadek Yogi Parta Lesmana. “Yo-Yo Intermittent Recovery Test Level 1 for Young Soccer Player: Test-Retest Reliability”. Jurnal Keolahragaan 13, no. 1 (May 5, 2025): 10–17. Accessed February 22, 2026. https://journal.uny.ac.id/index.php/jolahraga/article/view/78879.