VOROBYOV, Sergei; VOROBYOVA, Viktoria; SHMAKOV, Artem. THE FACTORS DETERMINING PROFITABILITY OF GRAIN PRODUCTION IN A REGION. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 344–348, 2019. DOI: 10.17770/etr2019vol1.4036. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/4036.. Acesso em: 6 may. 2024.