1. “Factors affecting the functional properties of whey protein products: A review.”;Abd El - Salam;Food Reviews International,2009
2. Affertsholt , T. Nielsen , M. D. 2007 The World Market for Whey and Lactose Products 2006-2010
3. “Whey protein recovery using a range of novel ion - exchangers.”;Ayers;New Zealand Journal of Dairy Science and Technology,1985