DOLGIKH, Y. Evaluation and analysis of dynamics of change of efficiency of grain production in Ukraine by DEA method. Agricultural and Resource Economics: International Scientific E-Journal, [S. l.], v. 5, n. 3, p. 47–62, 2019. DOI: 10.51599/are.2019.05.03.04. Disponível em: https://are-journal.com/are/article/view/255. Acesso em: 24 apr. 2025.