BOAFO, Y.; SANI, M. Status of the Sapo National Park elephant population and implications for conservation of elephants in Liberia. Pachyderm, [S. l.], v. 50, p. 18–25, 2011. DOI: 10.69649/pachyderm.v50i.263. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/263. Acesso em: 24 apr. 2026.