VAN WILGEN, B. W. Protected but vulnerable. South African Journal of Science, [S. l.], v. 110, n. 5/6, p. 1, 2014. DOI: 10.1590/sajs.2014/a0062. Disponível em: https://sajs.co.za/article/view/3913. Acesso em: 29 mar. 2024.