Soeria Santoso, Dewi Irawati, and Hafizh Ahmad Boenyamin. “The Benefits and Physiological Changes of High Intensity Interval Training”. Universa Medicina 38, no. 3 (September 20, 2019): 209–216. Accessed January 29, 2023. https://univmed.org/ejurnal/index.php/medicina/article/view/831.