CHAWDHURY, M. A.; MAHKAMOV, K. Development of a Small Downdraft Biomass Gasifier for Developing Countries. Journal of Scientific Research, [S. l.], v. 3, n. 1, p. 51, 2010. DOI: 10.3329/jsr.v3i1.5613. Disponível em: https://banglajol.info/index.php/JSR/article/view/5613. Acesso em: 20 may. 2022.