Puspitosari, Aniek, RB Soemanto, and Mahendra Wijaya. “Factors Associated With Exercise Among Elderly in Boyolali, Indonesia”. Journal of Health Promotion and Behavior 1, no. 1 (January 16, 2016): 41–45. Accessed April 30, 2024. https://thejhpb.com/index.php/thejhpb/article/view/9.