N. MUNYANEZA; Y. EL HACHIMI. Utilization of Milk Urea Concentration to Study Nitrogen Use Efficiency in Haouz Dairy Herds of Central Morocco. International Journal of Livestock Research, India, v. 9, n. 5, p. 32–39, 2019. Disponível em: https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1249. Acesso em: 26 apr. 2026.