NIMATULAEV, Magomedkhan, 		SIRBILADZE, Ketevan, 		TSVETKOVA, Olga, 		IVANOVA, Liudmila, AND 		SHELYGOV, Aleksandr.
" Digital Technologies as a Factor in Increasing Services Sales in Tourism Industry" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 12 Number 4 (23 June 2021)