Nugroho, R. H., Murti, B. and Suryono, A. (2019) “Disparity in Health Care Utilization by Income Level and Insurance Status at Gamping Muhammadiyah Hospital, Yogyakarta, Indonesia”, Journal of Health Policy and Management, 4(3), pp. 195–203. Available at: https://www.thejhpm.com/index.php/thejhpm/article/view/141 (Accessed: 11 October 2025).