Abdelgadir, Siddig Yousif; Supervisor - zzeldin Mohamed Osman
Co-
Supervisor
Mohamed Ahmed El-
Affendi(Sudan University of Science and Technology, 2012-02-01)
Abdullah, Sayed Jaafer; Supervisor - zzeldin Mohamed Osman
Co-Supervisor - Mohamed Elhafiz Mustafa Musa(Sudan University of Science and Technology, 2012-01-01)
WAHBY, TALAAT MOHYELDIN; Supervisor - IZZELDIN MOHAMED OSMAN
Co -Supervisor - MOHAMMED E. M. MUSA(Sudan University of Science and Technology, 2012-03-06)