Evaluation and Improvement of Technical Efficiency and Estimation of returns to scale Using Benchmarking Models CRS-VRS-NIRS-NDRS An Applied Study on the Islamic Banking in Syria during the Period (2010-2022(. Journal of Hama University , [S. l.], v. 7, n. 17, 2025. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/1998. Acesso em: 6 jun. 2026.