TÖRÖK, Imre. Energy efficiency in Hungary and abroad. Acta Agraria Debreceniensis, [S. l.], n. 63, p. 147–150, 2015. DOI: 10.34101/actaagrar/63/1852. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/1852.. Acesso em: 3 may. 2024.