N. B. Ahmed Hassan, M. O. Mohamed Abdalla, and A. A. A. Mohamed Nour, “Microbiological Quality of Heat-Treated Milk During Storage”, Pak. J. Nutr., vol. 8, no. 12, pp. 1845–1848, Nov. 2009, doi: 10.3923/pjn.2009.1845.1848.