Characterization of Butana Cattle Production System in the River Nile State, Sudan: Raga A. Y. Yagoub1, L. A. Musa2and M-K . A. Ahmed3. The Sudan Journal Of Animal Production المجلة السودانية للانتاج الحيواني, [S. l.], v. 23, n. 23, p. 21–29, 2021. Disponível em: https://sud-jap.sd/Journal/index.php/sjap/article/view/10. Acesso em: 30 nov. 2025.