Шаврин, В. Н. (2019) “On the notion of sub-centers in settlement systems of municipal districts”, HERALD OF TVER STATE UNIVERSITY. SERIES: GEOGRAPHY AND GEOECOLOGY, (1 (11), pp. 66–75. Available at: https://journal.tversu.ru/index.php/geo/article/view/128 (Accessed: 13 November 2024).