POPELO, Olha, 		TULCHYNSKA, Svitlana, 		KHARCHENKO, Yuliia, 		DERGALIUK, Bogdan, 		KHANIN, Semen, AND 		TKACHENKO, Tetiana.
" Systemic Approach to Assessing Sustainable Development of the Regions" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 12 Number 3 (6 June 2021)