Athira Fatin Naura, & Wahyuni Andriana Sofa. (2024). Pemodelan Determinan Pengeluaran Kesehatan Katastropik Rumah Tangga Pekerja Informal dengan Regresi Logistik Firth. imits: ournal of athematics and ts pplications, 21(3), 383–395. etrieved from https://journal.its.ac.id/index.php/limits/article/view/5725