A.-M. . Khalid, “The Reality of Hidden Costs and The Possibility of Controlling Them: An Applied Study on Commercial Banks in Palestine”, JBMS, vol. 3, no. 1, pp. 11–24, Apr. 2021, Accessed: Jun. 25, 2025. [Online]. Available: https://al-kindipublishers.org/index.php/jbms/article/view/1524