Puspitosari, A., Soemanto, R. and Wijaya, M. (2016) “Factors Associated with Exercise among Elderly in Boyolali, Indonesia”, Journal of Health Promotion and Behavior, 1(1), pp. 41–45. Available at: https://www.thejhpb.com/index.php/thejhpb/article/view/9 (Accessed: 21 August 2025).