LOSITSKA, Tetyana. Methodical aspects of determining the efficiency of grain production in modern conditions. Economics Ecology Socium, [S. l.], v. 3, n. 3, p. 44–52, 2019. DOI: 10.31520/2616-7107/2019.3.3-6. Disponível em: https://ees-journal.com/index.php/journal/article/view/112. Acesso em: 1 aug. 2026.