CUMMING, D. Small population management of black rhinos. Pachyderm, [S. l.], v. 9, n. 1, p. 12–13, 1987. DOI: 10.69649/pachyderm.v9i1.651. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/651. Acesso em: 28 apr. 2026.