Ahmed, Raja Abdallah Bakhit; Supervisor, - Nafie A. Almuslet; Co - Supervisor, - Shaza Mohamed Yousif(Sudan University of Science and Technology, 2014-10-05)
Osman, Eshtiag Mohammed Mohammed; Supervisor, - Babiker Osman Elbashier; Co - Supervisor, - Yousif Safieldeen(Sudan University of Science and Technology, 2014-10-07)
Nassar, Nuha Mohammed Ali; Supervisor, - Faiz M. B. Elshafia; Co - Supervisor, - Elfatih Ali Hassan(Sudan University of Science and Technology, 2014-11-09)