Vera Samarina. "THE ANALYSIS OF POPULATION DENSITY IN RUSSIA-S NORTHERN REGIONS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation, 2019, pp. 757-764. https://doi.org/10.5593/sgem2019/5.3/s21.095