Malatji, Pholoso, Ntshengedzeni Sampson Mamphweli, and Martina Meincken. “The Technical Pre-Feasibility to Use Briquettes Made from Wood and Agricultural Waste for Gasification in a Downdraft Gasifier for Electricity Generation”. Journal of Energy in Southern Africa 22, no. 4 (November 1, 2011): 2–7. Accessed May 3, 2024. https://energyjournal.africa/article/view/3224.