PEREKA, A.; PHIRI, E. Mineral Content in Soils and Pasture Grasses at ASAS Farm, Iringa, Tanzania. Tanzania Veterinary Journal, [S. l.], v. 18, n. 2, p. 101–109, 1998. Disponível em: https://tvj2.sua.ac.tz/vet2/index.php/TVJ/article/view/448. Acesso em: 28 apr. 2026.