Oyeagu, C.E., V. Mlambo, and V. Muchenje. “Effect of Dietary Aspergillus Xylanase on Nutrient Digestibility and Utilization, Growth Performance and Size of Internal Organs in Broiler Chickens Offered Maize-Soybean Meal Based-Diets”. Pakistan Journal of Nutrition 18, no. 9 (August 15, 2019): 852–865. Accessed September 5, 2025. https://pjnonline.org/pjn/article/view/2781.