TY JOUR TI ORGANIZATION OF TAX MANAGEMENT IN THE FIELD OF FINANCIAL MANAGEMENT OF SMALL BUSINESSES AND SELF-EMPLOYED CITIZENS KW tax management KW taxation systems KW entrepreneurs KW self-employed citizens KW customer centricity JO Russian Journal of Management AU Baranova, A.Y. AU Troitskaya, N.N. PY 2025 IS 13 PB Publishing Center RIOR