TY JOUR TI Assessment of competitive advantages of Stavropol in the medical tourism market KW medical tourism KW PESTEL analysis KW SWOT analysis KW tourist and recreational potential KW natural and climatic resources KW medical infrastructure KW cluster development KW rehabilitation KW competitiveness KW regional economy JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Vergun, T.V. PY 2026 IS 0 PB ITBO University