RUGGIERO, R. The effects of poaching disturbance on elephant behaviour. Pachyderm, [S. l.], v. 13, n. 1, p. 42–44, 1990. DOI: 10.69649/pachyderm.v13i1.706. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/706. Acesso em: 27 apr. 2026.