“The Impact of Interval Training and Leg Muscle on The Endurance Capacity of Football Players” (2025) COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, 17(2), pp. 1500–1513. Available at: https://competitor.idjournal.eu/index.php/competitor/article/view/136 (Accessed: 19 March 2026).