UNGAI, D.; SZÉLES, Éva; GYŐRI, Z. Foliar treatments of Sugar beet. Acta Agraria Debreceniensis, [S. l.], n. 27, p. 55–59, 2007. DOI: 10.34101/actaagrar/27/3103. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/3103. Acesso em: 3 mar. 2021.