MULAMA, M.; OKITA, B. Tsavo East and Ngulia rhino populations counted. Pachyderm, [S. l.], v. 32, n. 1, p. 88–89, 2002. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/1097. Acesso em: 3 jul. 2024.