Sosodoro, Niken Larasati, Rasi Tamadhika Fajar Ramadhan, and Akhmad Akbar Susamto. “Subsidized Health Insurance Impact Among the Poor: Evidence on Out-of-Pocket Health Expenditures in Indonesia”. Jurnal Ekonomi & Studi Pembangunan 24, no. 1 (June 24, 2023): 198–211. Accessed September 26, 2025. https://journal.umy.ac.id/index.php/esp/article/view/17420.