PILGRAM, T.; WESTERN, D. Elephant hunting patterns: the evidence of tusks in the ivory trade. Pachyderm, [S. l.], v. 3, n. 1, p. 12–13, 1984. DOI: 10.69649/pachyderm.v3i1.578. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/578. Acesso em: 25 apr. 2026.