Mikhail P. Burov, Valentin Vershinin. "DIVERSIFICATION AS A TOOL FOR ECONOMIC DEVELOPMENT IN TIMES OF CRISIS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Ecology, Economics, Education and Legislation (2020): 161-168. https://doi.org/10.5593/sgem2020/5.2/s21.019