Saif-Alyousfi, Abdulazeez Y.H., et al. “Profitability of Saudi Commercial Banks: A Comparative Evaluation Between Domestic and Foreign Banks Using CAMEL Parameters”. International Journal of Economics and Financial Issues, vol. 7, no. 2, Apr. 2017, pp. 477-84, https://mail.econjournals.com/index.php/ijefi/article/view/4165.