Ghoni, Abdul, and Ramdan Efendi. “COMPARISON OF EFFICIENCY LEVEL OF THE SHARIA REINSURANCE COMPANIES IN INDONESIA USING THE DEA METHOD”. Jurnal Ekonomi Syariah Teori dan Terapan 8, no. 4 (July 28, 2021): 462–473. Accessed January 18, 2025. https://e-journal.unair.ac.id/JESTT/article/view/27128.