TY JOUR TI Strategic Resilience of Russian Regional Economies Under Sanctions KW economic security KW sanctions pressure KW cluster analysis KW GRP physical volume index KW industrial production index KW labor productivity index KW corporate innovative activity KW working age population KW Russia’s regions JO Bulletin of Kemerovo State University. Series: Political, Sociological and Economic sciences AU Ioda, Y.V. AU Plyusnina, O.V. AU Trufanova, S.A. AU Shaposhnikova, I.V. PY 2026 IS 11 PB Kemerovo State University