Utomo, A. A. B., N. Nurhasan, O. Wiriawan, and H. N. Muhammad. “The Effect of Mixed Method Training Circuit Training Ladder Drill on Agility and Speed Run”. International Journal of Emerging Research and Review, vol. 2, no. 1, Feb. 2024, p. 000063, doi:10.56707/ijoerar.v2i1.63.