TY CONF TI MODELING OF SERVICE SYSTEMS: PROBLEMS AND SOLUTIONS KW modeling of service systems KW simulation modeling KW network modeling KW problems of service systems KW service system JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES AU Maslennikova, E.G. AU Lapshin, A.P. AU Shmakov, E.V. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov