Смирнов, Илья Петрович, and Дмитрий Михайлович Виноградов. “Territorial Mobility As a Qualitative Characteristic of the Population of the Tver Region”. HERALD OF TVER STATE UNIVERSITY. SERIES: GEOGRAPHY AND GEOECOLOGY, no. 4 (February 28, 2019): 43–54. Accessed November 13, 2024. https://journal.tversu.ru/index.php/geo/article/view/231.