UNGAI, D.; GYŐRI, Z. Response of sugar beet to different foliar fertilizers. Acta Agraria Debreceniensis, [S. l.], n. 32, p. 127-136, 2008. DOI: 10.34101/actaagrar/32/3027. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/3027. Acesso em: 24 jan. 2021.