Yunus, Moch., Muhammad Pratama, and Endang Wahjuni. “The Meta Analysis Study : The Effect of HIIT Training on VO2max Improvement of Football Athletes”. Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan) 6, no. 2 (May 31, 2023): 319-333. Accessed April 28, 2024. http://ejurnal.budiutomomalang.ac.id/index.php/jpjok/article/view/2148.