TY JOUR TI ANALYSIS OF PERFORMANCE INDICATORS OF SMALL AND MEDIUM BUSINESS ENTITIES IN THE SIBERIAN FEDERAL DISTRICT KW small and medium-sized businesses KW business entities KW Siberian Federal District JO Scientific Papers Collection of the Angarsk State Technical University AU Sorokina, A.I. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»