00531naa#a2200169#i#450# EN\\bibl\2485 20241020122728.7 2308-8877 20140512b2014####ek#y0engy0150####ca RUS RU Advertizing efficiency problems Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Chertova T. naukaru.ru