Rith M, Buenconsejo B, M. Biona JB. Design and fabrication of a downdraft gasifier coupled with a small-scale diesel engine. Eng Appl Sci Res [internet]. 2020 Mar. 17 [cited 2026 Sep. 27];47(1):117-28. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/207366