FRISWOLD, B.; MITCHELL, B.; GALE, G.; VAN DE WATER, A. Twisting collars on male elephants in shrub terrain: animal welfare considerations for researchers, managers and manufacturers. Pachyderm, [S. l.], v. 64, p. 78–91, 2023. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/534. Acesso em: 3 mar. 2024.