A. A. A. Al-Asadi and A. A. J. Shenaishil, “Fifth-level leadership and its implications for sustainable organizational performance: An analytical study of the opinions of a sample of employees at Ashur General Contracting Company Limited”., Al-Ghary Jour. Eco. Admini. Sci., vol. 18, no. 1, pp. 247–263, Mar. 2022.