Kasim, Muhammad, and Mutmainnah Nurdin. “Analisis Willingness to Pay Dan Ability to Pay Iuran BPJS Kesehatan : Literatur Review”. Economics and Digital Business Review 4, no. 2 (July 29, 2023): 216–222. Accessed April 29, 2026. https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/705.