Shaalan, Tharwah. “Industry Structure, Bank Adequacy, Operational Efficiency: Financial Performance Applied Study on the Islamic Banks Listed in Bahrain Stock Exchange”. International Journal of Economics and Financial Issues 9, no. 1 (January 24, 2019): 217–224. Accessed April 26, 2024. https://www.econjournals.com/index.php/ijefi/article/view/7452.