Mohammed, Mohammed Saeed Dawood Aamir; Supervisor, ,- Mubarak Dirar Abdallah; Co supervisor, ,- Ahmed Elhassan Alfaki(Sudan University of Science & Technology, 2017-01-10)
Ibrahim, Dafalla Hamdan Mohammed; Supervisor, - Ibrahim Mohammed Elfaki; Co-Supervisor, - Ahmed Elhassan Elfaki(Sudan University of Science and Technology, 2017-02-10)