TY JOUR TI IMPROVING THE MARKETING POLICY OF SMALL BUSINESS ORGANIZATIONS KW marketing policy KW analysis KW market research KW small enterprises KW small business KW conditions and factors of development KW concept KW economics KW assessment KW problems of small business JO Trade, service, food industry AU Piatachenko, A.M. AU Minkovskaya, M.V. PY 2025 IS 5 PB Siberian Federal University