Abdelal, Elfadil Faroug; Supervisor, -Elsafi Ahmed Abdalla; Co-Supervisor, -Caroline Edward Ayad(Sudan University of Science and Technology, 2018-03-06)
Abdulmajeed, Widad Abdalla Ali; Supervisor, -Alsafi Ahmed Abdalla Balla; Co-Supervisor, -Caroline Edward Ayad(Sudan University of Science and Technology, 2018-11-15)