NAGY, Orsolya. Biofuel regulations in the USA and the EU. Acta Agraria Debreceniensis, [S. l.], n. 61, p. 25–31, 2014. DOI: 10.34101/actaagrar/61/2034. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2034.. Acesso em: 6 may. 2024.