MARTIN, E.; VIGNE, L. Trade in rhino horn from eastern Africa to Yemen. Pachyderm, [S. l.], v. 34, n. 1, p. 75–87, 2003. DOI: 10.69649/pachyderm.v34i1.1136. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/1136. Acesso em: 26 apr. 2026.