BALLA, Zoltán. Objectives of the EU in the field of biomass use and utilisation. Acta Agraria Debreceniensis, [S. l.], n. 55, p. 9–12, 2014. DOI: 10.34101/actaagrar/55/1901. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/1901.. Acesso em: 18 jul. 2024.