Ashraf A. Ahmed Hassan, Manal Hussain Mohammed Eltigani, Gaafar B. Suliman, and Maruod E. Maruod, “Authority Delegation is a pathway in Enhancing Confidence between Directors and Employees in DAL Group in Khartoum North, Sudan”, jsshr, vol. 5, no. 11, pp. 84-92, Nov. 2020.