Babiker, Marwa Abd Elgader Mustafa; Supervised, -Hassan Ahmed Ali; Co-Supervised, -Haider Ibrahim Ismail(Sudan University of Science and Technology, 2016-03-16)
Mohammed, Marai Gaffer; Supervisor, -Mohamed Musa Mohamed Ahmed; Co-Supervisor, -Yasir Osman Mohamed(Sudan University of Science and Technology, 2016-07-24)