VAN WILGEN, Brian W. An environmental history of Angola. South African Journal of Science, [S. l.], v. 113, n. 7/8, p. 2, 2017. DOI: 10.17159/sajs.2017/a0220. Disponível em: https://sajs.co.za/article/view/3983. Acesso em: 24 apr. 2024.