@article{Sabaydash2020retrospective,
author={Sabaydash, M..},
title={Retrospective analysis of the USSR sea trade ports operation in conditions of new economic policy (1921-1928).},
journal={Vestnik of Astrakhan State Technical University. Series: Economics},
publisher={Astrakhan State Technical University},
year={2020},
pages={78-90},
volume={},
issue={1},
}