Elfaki, A., & 		Abd Elrazig, E.
(2010).
 Quality Assurance of Different Types of Yoghurt in Khartoum State Markets.
<em>Gezira Journal Of Engineering And Applied Sciences, 5</em>(2).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjeas/article/view/600" target="_new">http://journals.uofg.edu.sd/index.php/gjeas/article/view/600</a>