Akbar, Ilham, Hikmad Hakim, and Sahabuddin Sahabuddin. 2023. “Increasing VO2 Max Through Circuit Training for Extracurricular Football Students at SMA Negeri 5 Soppeng”. Journal of Sport Education, Coaching, and Health (JOCCA) 4 (1):13-22. https://doi.org/10.35458/jc.v4i1.1576.