@article{Frieva2019assessment,
author={Frieva, N.A. and Patrakova, S.S.},
title={Assessment of the state of the physical facilities  of agriculture of regions of the European North  of Russia},
journal={Journal of economic studies},
publisher={INFRA-M Academic Publishing LLC.},
year={2019},
pages={47-58},
volume={5},
issue={1},
}