Husain, Reem sameer mohammed; Gaweesh, Amani A. Alrahman Salih; Abd Alraheem, Rania Tarig Ibrahim(Sudan University of Science and Technology, 2014-08-10)
Mohammed, Duaa Abd Elrahem; Ahmed, Sahar Babker; Ahmed, Soaad Mohammed; Supervisor,- Mohammed Masaad Ahmed(Sudan University Of Science And Technology, 2014-07-01)