“The Effect Of Variations In Extensive Interval Training On Aerobic Endurance Fighter Muaythai Fightculture Medan”.
Journal Coaching Education Sports 3, no. 2 (May 11, 2024): 147–156. Accessed January 10, 2026.
https://ejurnal.ubharajaya.ac.id/index.php/JCESPORTS/article/view/1846.