00545naa#a2200169#i#450# EN\\bibl\3941 20240524075318.5 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU STUDY OF THE MARKET OF EDUCATIONAL SERVICES Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Sklyadnev S. naukaru.ru