Tamin, Tirza Z., and Natalia Loekito. “Aquatic Versus Land-Based Exercise for Cardiorespiratory Endurance and Quality of Life in Obese Patients With Knee Osteoarthritis: A Randomized Controlled Trial”. Medical Journal of Indonesia 27, no. 4 (December 31, 2018): 284-92. Accessed April 25, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/2107.