Bawish, B. M., E. . Ismael, S. H. . Abdelfatah, S. Kamel, and K. N. Fahmy. “Effectiveness of Phytase and Nonstarch Polysaccharides-Degrading Enzymes on Performance, Bone Mineralization, Litter, and Gene Expression in Broiler Chickens Fed Nutritionally Reduced Diets”. Journal of Advanced Veterinary Research, vol. 14, no. 6, July 2024, pp. 1033-41, https://advetresearch.com/index.php/AVR/article/view/1910.