Fathir, Ibnu Daffa Al, et al. “Aerobic Capacity Support for Anaerobic Alactasid Training (Speed Endurance) in Football: A Case Study of UPI Football UKM”. Journal of Football Research, vol. 1, no. 2, Oct. 2024, pp. 51-59, doi:10.55081/jofr.v1i2.3449.