WHYTE, I.; GROBLER, D. Elephant contraception research in the Kruger National Park. Pachyderm, [S. l.], v. 25, n. 1, p. 45–52, 1998. DOI: 10.69649/pachyderm.v25i1.924. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/924. Acesso em: 27 apr. 2026.