Mohammed, Ismail Osman Khalid; Supervisor, - Babikir Osman Elbashir; Co - Supervisor, - Mahasin Mohamed Bello(Sudan University of Science and Technology, 2014-06-03)
Elkariem, Nosiba Sayed Awad; Supervisor, - Babikir Osman Elbashir; Co - Supervisor, - ShazaMohammed Yosif(Sudan University of Science and Technology, 2011-06-04)
Obeid, Nagat Babiker Ahmed; Supervisor, - Faiz M.B. El Shafi a; Co - Supervisor, - Shaza M. Yousif(Sudan University of Science and Technology, 2014-06-03)