T.K., Nahla, and Tariq N. Musa. “Chemical Isomerization of Whey Lactose to Lactulose by Using Batch Reaction”. Pakistan Journal of Nutrition 14, no. 5 (April 15, 2015): 255–258. Accessed August 24, 2025. https://pjnonline.org/pjn/article/view/2129.