Abdallah, Israa Mohammed; Ibrahim, HawazenAbdalrahman; Musa, Omnia Ibrahim; Supervisor, -Asaad H. Widaa(Sudan University of Science and Technology, 2016-10-03)
Sulaiman, Esraa Mohammed MohammedAlhassan; Haruon, Fatima AbdElsamad Mohammed; Supervisor, -Asaad Hassan Widaa Mohamed(Sudan University of Science and Technology, 2016-10-10)