00595naa#a2200181#i#450# EN\\bibl\8069 20241228003708.6 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Electronic student portfolio technical university Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Pisareva S. Chernykh Aleksandr Sergeevich zh-szf.ru