Tigchelaar, Lo, and Khaled Elsayed Bekhet. “The Relationship of Adversity Quotient and Personal Demographic Profile of Private Business Leaders in Egypt”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 20, no. 1 (February 18, 2015): 403–422. Accessed May 20, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3530.