Alamin, Amna Elzaki Musa Mohammed; Supervisor, - Khalid Mohammed Haroun; Co- Supervisor, - Mubarak Dirar Abd-Alla(Sudan University of Science and Technology, 2018-01-10)
Hamed, Amna Mohammed Khalifa; Supervisor, -Abdelmoneim Adam M. Suleiman; Co-Supervisor, -Ahmed Elhassan Elfaki(Sudan University of Science and Technology, 2019-05-01)