Ekama, Kate, David Ikumi, and Christopher J. Brouckaert. “George Ekama (1949–2023): A Man of Faith, Humility and Integrity and a World Leader in Wastewater Treatment”. South African Journal of Science 119, no. 11/12 (November 29, 2023). Accessed April 17, 2024. https://sajs.co.za/article/view/16907.