Sobhi, B. M., A. S. Morsi, Z. S. O. Ahmed, A. M. Gamal, and K. N. E.- din Fahmy. “The Potential Enhancing Effect of Both Phytase and β-Xylanase Enzymes on Performance, Bone Mineralization and Nutrient Absorption in Broiler Chicken”. Journal of Advanced Veterinary Research, vol. 13, no. 5, June 2023, pp. 806-14, https://advetresearch.com/index.php/AVR/article/view/1372.