Sinurat, Ridwan. “The Profile of the Maximum Oxygen Volume Level (vo2max) of Football Athlete of Pasir Pengaraian University”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 5, no. 1 (May 21, 2019): 80-88. Accessed November 23, 2024. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/12801.