Abbasi, B., Zand, A. and Farahani, M. (2026) “The Evolution of Leadership Philosophy from Efficiency Orientation to Human Sustainability: A Theory Development Study”, Management Systems Evolution and Leadership Studies, 3(2), pp. 21–30. Available at: https://msels.com/index.php/msels/article/view/69 (Accessed: 17 September 2026).