MALKOV, Peter, 		SUKHOVA, Maria, 		VOZNIYCHUK, Olga, 		MALKOVA, Anastasia, 		KHUDYAKOVA, Nadezhda, AND 		DOLGOVYKH, Sergey.
" Impact of Tourism and Recreational Activities on the Biological Diversity in the Altai Republic" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 10 Number 4 (4 October 2019)