ЖУКОВ, О. В.; ПОНОМАРЕНКО, С. В. Spatial-time dynamics of cereals of grain and grain crops in Poltava region. Scientific Progress & Innovations, [S. l.], n. 1, p. 55–62, 2018. DOI: 10.31210/visnyk2018.01.08. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/24. Acesso em: 23 aug. 2025.