%0 Journal Article %T Retrospective analysis of the USSR sea trade ports operation in conditions of new economic policy (1921-1928). %A Sabaydash, M.. %K sea trade ports, cargo turnover, seaport management system, new economic policy, sources of financing, state budget %J Vestnik of Astrakhan State Technical University. Series: Economics %D 2020 %N %P 12 %I Astrakhan State Technical University