L. Tigchelaar and K. E. Bekhet, “The Relationship of Adversity Quotient and Leadership Styles of Private Business Leaders in Egypt”, IJSBAR, vol. 20, no. 2, pp. 20–48, Feb. 2015, Accessed: Aug. 04, 2026. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/3454