TY JOUR TI Characteristics of modern methods for assessment and monitoring of sustainable development of regional economic systems KW sustainable development KW regional economy KW assessment methods KW sustainability indicators KW monitoring KW integral indicators KW digitalization KW economic sustainability JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Osetrov, M.A. AU Kravchenko, L.N. PY 2025 IS 0 PB ITBO University