Comprehensive Overview of Hydrogen Production via Coal and Biomass Gasification Technologies. European Journal of Energy Research, [S. l.], v. 2, n. 4, p. 8–13, 2022. DOI: 10.24018/ejenergy.2022.2.4.85. Disponível em: https://ej-energy.org/index.php/ejenergy/article/view/85. Acesso em: 18 oct. 2025.