PRASAD, P ESWARA; REDDY, M RAJ. In vitro evaluation of optimum conditions for urea-ammonia treatment of sorghum straw. The Indian Journal of Animal Sciences, Delhi, India, v. 67, n. 8, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/34925. Acesso em: 24 oct. 2025.