le Roux, Lukas J., Mark Zunckel, and Shirley McCormick. “Reduction in Air Pollution Using the ‘basa Njengo magogo’ Method and the Applicability to Low-Smoke Fuels”. Journal of Energy in Southern Africa 20, no. 3 (August 1, 2009): 3–10. Accessed July 22, 2024. https://journals.assaf.org.za/index.php/jesa/article/view/3303.