As-safa, A. H. T., I. D. M. A. W. Kusuma, I. Syafii, D. A. Prianto, Y. A. Triardhana, and B. A. Pramono. “Combined Futsal Training: The Combination of Rotation Play Training With the HIIT Protocol Affects Anaerobic Endurance Abilities”. Journal of Human Sport and Exercise, vol. 19, no. 2, Mar. 2024, pp. 600-7, doi:10.14198/jhse.2024.192.14.