Amalia, Adhita, and Marcellina Samudra. “EFFECTIVENESS OF IMPLEMENTING JKN MOBILE APPLICATION ON ACCESSIBILITY OF HEALTH SERVICES AND ECONOMIC WELFARE IN SURABAYA”. MAP Observer: Jurnal Penelitian Administrasi Publik 5, no. 02 (October 1, 2025): 12–20. Accessed January 14, 2026. https://jurnal.untag-sby.ac.id/index.php/map/article/view/132442.