ZHUKOV, Roman, Gennadiy Vasilievich KUZNETSOV, Irina Viacheslavovna FOMICHEVA, Elena Borisovna MYASNIKOVA, Marina Vladimirovna VASINA, & Maksim Vladimirovich TSIGLER. " A Model of Socio-Ecological and Economic System: The Tula Region of the Russian Federation." Journal of Environmental Management and Tourism [Online], 10.7 (2019): 1539-1558. Web. 4 Nov. 2024