BRETT, R. The black rhino sanctuaries of Kenya. Pachyderm, [S. l.], v. 13, n. 1, p. 31–34, 1990. DOI: 10.69649/pachyderm.v13i1.703. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/703. Acesso em: 20 may. 2026.