Nutritive value of elephant grass hay ammoniated by urea. Bioscience Journal, Uberlândia, MG, v. 36, n. 5, p. 1498–1506, 2020. DOI: 10.14393/BJ-v36n5a2020-41135. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/41135. Acesso em: 13 dec. 2025.