Mariana, Leyla, and H Harun. “Analysis of the Efficiency Level of Sharia Rural Financing Bank (SRFB) Using Data Envelopment Analysis (DEA) ”. Journal of Islamic Economic Laws 3, no. 1 (January 1, 2020): 68–85. Accessed January 7, 2026. https://journals2.ums.ac.id/jisel/article/view/9277.