MOLOBELA, I.; SINHA, P. Management of water resources in South Africa: A review. African Journal of Environmental Science and Technology, [S. l.], v. 5, n. 12, p. 993–1002, 2012. DOI: 10.5897/ajest11.136. Disponível em: https://www.ajol.info/index.php/ajest/article/view/74212. Acesso em: 3 aug. 2026.