A, Aziz, G., غولديران, Sh. Mohamad, M. and محمد 2025. The Role of Banking Merger in Achieving Competitive Advantage A survey of A Sample of Bank Managers’ Opinions in Erbil. Regional Studies Journal (RSJ). 18, 59 (Jun. 2025), 285–310. DOI:https://doi.org/10.33899/regs.2024.182053.