Fakhriandi, E., & Sofa, W. (2024). NATIONAL HEALTH INSURANCE AND CATASTROPHIC HEALTH EXPENDITURE: A COMPLEMENTARY LOG-LOG APPROACH ON YOGYAKARTA’S INCIDENCE 2022. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 18(2), 0997-1008. https://doi.org/10.30598/barekengvol18iss2pp0997-1008