Economic Efficiency and Internal Competitive Advantages of Grain Production in the Central Region of Ukraine. Agricultural Engineering , [S. l.], v. 25, p. 51–62, 2021. DOI: 10.2478/agriceng-2021-0004. Disponível em: https://ojs.agriceng.org/index.php/AgricEng/article/view/273.. Acesso em: 8 jan. 2025.