Yulia, Nia, Masrun Masrun, Afrizal S, and Tjung Sin. “Pengaruh Latihan Circuit Training Dan Interval Training Terhadap Peningkatan VO2Max Atlet SSB Putra Wijaya Padang”. Jurnal Gladiator 3, no. 2 (May 10, 2023): 119-134. Accessed May 30, 2025. http://gladiator.ppj.unp.ac.id/index.php/gltdor/article/view/104.