عبدالله, Ù., 		أحمد ميرغني, Ø., 		مسكين, Ø., & 		محمد, Ù.
(2005).
 Gezira Student Net Work Organization.
<em>Gezira Journal Of Health Sciences, 1</em>(2).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjhs/article/view/201" target="_new">http://journals.uofg.edu.sd/index.php/gjhs/article/view/201</a>