00614naa#a2200181#i#450# EN\\bibl\5717 20250502012952.5 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU Optimization of transport costs timber enterprises through minimization empty runs 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 Krupko A. Krupko N. anni.editorum.ru