“Estimating the Optimal Quantities of Feed Profit-Maximizing for Lambs Fattening Fields in Nineveh Governorate for the Production Year 2023 (The Northern Plain As a Model)”. NTU Journal of Agriculture and Veterinary Science 5, no. 3 (September 28, 2025). Accessed January 31, 2026. https://journals.ntu.edu.iq/index.php/NTU-JAVS/article/view/1210.