Osman, Amel Alzibeer Mohammed; Mohieldin, Esra Abdalla Mohammed; Dafallah, Hala Salah Abdelwahab; Elbashir, Hiba Elgaili Mohammed(Sudan University of Science and Technology, 2014-09-10)
Sharif, Asia Osman Mohammed; Osman, Khalid Esam Nureldin; Mohammed, Mohammed Abd Alhameed; Awad, Suha Salah Eldeen(Sudan University of Science and Technology, 2014-09-10)