“BPJS Barrier to Strategic Purchasing of Primary Care Service at Public and Private Health Facilities in Subulussalam, Aceh”, J Health Policy Manage, vol. 3, no. 2, pp. 81–91, Jan. 2019, Accessed: Jan. 25, 2026. [Online]. Available: https://thejhpm.com/index.php/thejhpm/article/view/61