Mahmood, Asif, and Sumaira Usman. 2010. “A Comparative Study on the Physicochemical Parameters of Milk Samples Collected from Buffalo, Cow, Goat and Sheep of Gujrat, Pakistan”. Pakistan Journal of Nutrition 9 (12): 1192–1197. https://doi.org/10.3923/pjn.2010.1192.1197.