00629naa#a2200181#i#450# EN\\bibl\4918 20241231001950.2 2219-0767 20150224b2015####ek#y0engy0150####ca RUS RU ANALYSIS AND MODELING OF COMPETITIVE INTERACTIONS OF ECONOMIC SYSTEMS IN MARKET RELATIONS Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 2 с. Journal article local Serbulov Yuriy Stefanovich Dudin A. zh-szf.ru