MARTIN, E. North Yemen bans the importation of rhino horn. Pachyderm, [S. l.], v. 1, n. 1, p. 14–14, 1983. DOI: 10.69649/pachyderm.v1i1.552. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/552. Acesso em: 13 may. 2026.