Arfah, Muh, et al. “Effectiveness of the National Health Insurance (JKN) Policy in Improving Access and Quality of Health Services: A Literature Study”. Jurnal Pengelolaan Kesehatan Berkelanjutan Berbasis Kearifan Lokal, vol. 1, no. 2, Mar. 2026, pp. 7-12, https://ojs.ucp.ac.id/index.php/JPKBK/article/view/64.