A. A. Ali, N. Irshad, S. Razaz, and A. Manahil, “Microbiological Safety of Raw Milk in Khartoum State, Sudan: 1-Khartoum and Omdurman Cities”, Pak. J. Nutr., vol. 9, no. 5, pp. 426–429, Apr. 2010, doi: 10.3923/pjn.2010.426.429.