Prabandari, Fatchurrohmah Ines, Bhisma Murti, and Hanung Prasetya. “Associations Between Physical Activity, Depression, and Quality of Life in Elderly: Meta-Analysis”. Journal of Epidemiology and Public Health 5, no. 4 (March 15, 2021): 420–434. Accessed May 5, 2024. https://www.jepublichealth.com/index.php/jepublichealth/article/view/348.