00600naa#a2200181#i#450# EN\\bibl\3932 20240908090820.7 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Aggregation both structural aspect of the modeling socio-economic systems Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 2 с. Journal article local Krasova N. Shepel D. naukaru.ru