00644naa#a2200181#i#450# EN\\bibl\6407 20241216220543.1 2222-7962 20150924b2015####ek#y0engy0150####ca RUS RU Safety key economic sectors of the russian economy: structural approach to research Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 15 с. Journal article local Kolesnichenko Elena Aleksandrovna Osmanov Zhasym anni.editorum.ru