Syahruddin, Syahruddin, Yohanis Manfred Mandosir, I Putu Eka Wijaya Putra, Evi Sinaga, and Budi Kristanto. “The Effect of Vitamin C Supplementation on Maximum Physical Activity Toward Leucocytes Total”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 7, no. 1 (April 30, 2021): 105–123. Accessed December 22, 2024. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/15715.