HORVÁTH, I. Regulation in Hungary of the Use of Waste Water and Sewage Sludge in Agriculture. Acta Agraria Debreceniensis, [S. l.], n. 13, p. 143–149, 2004. DOI: 10.34101/actaagrar/13/3400. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/3400. Acesso em: 6 may. 2021.