Abdulrahman, S. A., A. T. Abdulrahim, and A. M. El-Jummah. “Combustion Modeling of a Fixed Bed Downdraft Biomass Gasifier Using Computational Fluid Dynamics Design”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 15, no. 2 (June 1, 2019): 278-291. Accessed April 27, 2024. https://azojete.com.ng/index.php/azojete/article/view/70.