TY CONF TI FORECASTING THE POPULATION OF VORONEZH CITY IN 2030 KW population KW Voronezh KW forecasting JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Kunitsyn, V.I. AU Novikova, T.P. AU Shpinev, A.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov