WALSH, B. Asian elephant (Elephas maximus) sleep study – long-term quantitative research at Dublin Zoo. Journal of Zoo and Aquarium Research, [S. l.], v. 5, n. 2, p. 82–85, 2017. DOI: 10.19227/jzar.v5i2.174. Disponível em: https://jzar.org/jzar/article/view/174. Acesso em: 24 oct. 2021.