Ghazalah, A., Abd-Elsamee, M., & Moustafa, E. S. (2011). Use of Distillers Dried Grains with Solubles (DDGS) as Replacement for Soybean Meal in Laying Hen Diets. International Journal of Poultry Science, 10(7), 505–513. https://doi.org/10.3923/ijps.2011.505.513