BURKHARDT, Thomas et al. Introduction of Biofuels as a Way of Solving Ecological Problems. International Journal of Energy Economics and Policy, [S. l.], v. 11, n. 2, p. 187–193, 2021. Disponível em: https://econjournals.net.tr/index.php/ijeep/article/view/10686. Acesso em: 12 nov. 2024.