MARTIN, E.; VIGNE, L. An historical perspective of the Yemeni horn trade. Pachyderm, [S. l.], v. 23, n. 1, p. 29–40, 1997. DOI: 10.69649/pachyderm.v23i1.890. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/890. Acesso em: 25 apr. 2026.