Ellyas, Intan Suraya, Sunardi Sunardi, Muhammad Mariyanto, Sarjoko Lelono, Agus Margono, and Agus Kristiyanto. “Effect of Circuit Weight Training on Aerobic Fitness, Body Fat Percentage, Muscle Mass Percentage, and Hand Grip Strength in the Elderly”. Jurnal Keolahragaan 11, no. 2 (September 30, 2023): 248–255. Accessed June 1, 2025. https://journal.uny.ac.id/index.php/jolahraga/article/view/65453.