TY CONF TI IT PROJECT MANAGEMENT UNDER UNCERTAINTY: THE ROLE OF SYSTEM ANALYSIS KW project KW management KW system analysis KW tool KW relationship JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Rudova, A.V. AU Andreeva, K.A. AU Korzhova, M.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov