Hernandi, I. B., H. Pamungkas, S. Sudarsono, and R. Kurniawan. “Effectiveness of Sprint Interval Training (SIT) in Improving Soccer Players’ VO2max”. Jurnal Sains Keolahragaan Dan Kesehatan, vol. 9, no. 1, June 2024, pp. 36-44, doi:10.5614/jskk.2024.9.1.4.