ZHUKOV, Roman, 		KUZNETSOV, Gennadiy, 		FOMICHEVA, Irina, 		MYASNIKOVA, Elena, 		VASINA, Marina, AND 		TSIGLER, Maksim.
" A Model of Socio-Ecological and Economic System: The Tula Region of the Russian Federation" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 10 Number 7 (26 January 2020)