Amalia, Adhita, and Marcellina Samudra. 2025. “EFFECTIVENESS OF IMPLEMENTING JKN MOBILE APPLICATION ON ACCESSIBILITY OF HEALTH SERVICES AND ECONOMIC WELFARE IN SURABAYA”. MAP Observer: Jurnal Penelitian Administrasi Publik 5 (02):12-20. https://doi.org/10.30996/mapo.v5i02.132442.