THE FACTORS DETERMINING PROFITABILITY OF GRAIN PRODUCTION IN A REGION. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 344–348, 2019. DOI: 10.17770/etr2019vol1.4036. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4278.. Acesso em: 11 mar. 2026.