TY JOUR TI Analysis of the Development of Small and Medium-Sized Enterprises in Russia in the Long Term: Factors and Growth Barriers KW small and medium-sized enterprises KW Russia’s GDP KW sanctions KW ruble depreciation KW SME development dynamics KW SME growth barriers JO Theoretical economics AU Markin, M.I. AU Korableva, S.A. PY 2025 IS 0 PB Yaroslavl State Technical University