ZITZER, Heike; BOULT, Victoria. Vasectomies of male African elephants as a population management tool: A case study. African Biodiversity & Conservation, [S. l.], v. 48, n. 2, 2018. Disponível em: https://mail.abcjournal.org/index.php/abc/article/view/57. Acesso em: 1 may. 2026.