WATTANA, A. .; WATANAWANYOO, P. .; NIRUKKANAPORN, S. . A study on thermal efficiency of downdraft gasifier (swirl air type). Journal of Current Science and Technology, [S. l.], v. 10, n. 2, p. 203–215, 2023. Disponível em: https://ph04.tci-thaijo.org/index.php/JCST/article/view/397. Acesso em: 21 may. 2024.