00787naa#a2200157#i#450# EN\\bibl\20268 20260701122513.3 20260630b2026####ek#y0engy0150####ca RU METHODOLOGY FOR CONSTRUCTING AN INFORMATION MODEL OF ETHYLENE PRODUCTION BASED ON DFD ANALYSIS AND SYSTEM DECOMPOSITION Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2026 10 с. Conference article/thesis local Информационные технологии. Компьютерные технологии. Теория вычислительных машин и систем. 004 Ryzhikh A. M. bibl.vgltu.ru