Mohammed, Salah-eldeen Esmail Ahmed; Supervisor, - Yassin Mohammed Ibrahim Dagash; Co-supervisor, - Ahmed Mohammed ELnaim(Sudan University of Science and Technology, 2017-03-10)
Khamis, Abdelrhim Abuelnor Jabereldar; Supervisor, - Yassin Mohammed Ibrahim Dagash; Co-supervisor, - Awad Abdalla Ahmed Hussain(Sudan University of Science and Technology, 2017-03-10)
Dar gol, Hilwa Dawoud Abu Anga; Supervisor, -Yassin Mohammed Ibrahim Dagash; Co-Supervisor, -Ahmed Ali Mohammed Othman(Sudan University of Science and Technology, 2018-11-22)