ЛИТВИНЕНКО, М. А.; ВОЛКОДАВ, В. В. Scientific principles of the forming of the variety composition of cereal crops in Ukraine. Plant varieties studying and protection, [S. l.], n. 1, p. 28–36, 2006. DOI: 10.21498/2518-1017.1.2005.66833. Disponível em: http://journal.sops.gov.ua/article/view/66833. Acesso em: 5 dec. 2022.