YAKHLEF, H; TRIKI, S. Effect of the season of treatment by urea on the food value of straw on sheep. Sciences & Technologie. C, Biotechnologies, [S. l.], n. 26, p. 33–39, 2007. Disponível em: https://revue.umc.edu.dz/c/article/view/374. Acesso em: 4 mai. 2024.