MARTIN, E. The Yemeni rhino horn trade. Pachyderm, [S. l.], v. 8, n. 1, p. 13–16, 1987. DOI: 10.69649/pachyderm.v8i1.642. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/642. Acesso em: 14 may. 2026.