Kholis, Nur, and Rakhmawati. “Efficiency Analysis of Takaful Companies’ Performance Using Stochastic Frontier Analysis Approach: A Comparison Between Southeast Asia and The Middle East Regions”. Millah: Journal of Religious Studies 21, no. 3 (December 24, 2022): 947–972. Accessed November 21, 2024. https://journal.uii.ac.id/Millah/article/view/24800.