ROMANENKOV, Alexey, 		KUTIN, Ilya, 		LEBEDEV, Kostyantyn, 		GRZHEBINA, Liudmila, AND 		SHIMANSKIY, Oskar.
" Improvement of the Methodical Approaches to Evaluation of the Tourism Advertising Campaign Effectiveness" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 8 Number 2 (21 June 2017)