BARNA M. INSTRUMENTS OF THE STATE POLICY OF IMPROVEMENT OF THE INSTITUTIONAL ENVIRONMENT OF DEVELOPMENT OF SMALL BUSINESS IN UKRAINE AS A FACTOR OF REGULATION OF MIGRATORY ACTIVITY OF THE POPULATION. Herald of Khmelnytskyi National University. Economic sciences. 2021;294(3):158-162. doi:10.31891/2307-5740-2021-294-3-23