00608naa#a2200181#i#450# EN\\bibl\6941 20260115043159.4 2308-8877 20150505b2015####ek#y0engy0150####ca RUS RU The business modeler. description, methods and systems for business modelling Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Kalitvin P. Popova Yu. N. naukaru.ru