Malatji, Pholoso, Ntshengedzeni Sampson Mamphweli, and Martina Meincken. 2011. “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 (4):2-7. https://doi.org/10.17159/2413-3051/2011/v22i4a3224.