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(. مجلة الجامعة [Internet]. 2025 Feb. 6 [cited 2026 Jun. 6];7(17). Available from: https://journal.hama-univ.edu.sy/huj/article/view/1998