Hanna, Ramy William, and George Iatridis. “Investigation of Optimal Capital Structure: A Panel Threshold Regression Analysis over Egyptian Non-Financial Firms”. The International Journal of Business & Management 5, no. 10 (October 31, 2017). Accessed July 23, 2024. https://internationaljournalcorner.com/index.php/theijbm/article/view/125384.