Khrolenok EV. STARODUBSHCHINA: THEORETICAL AND METHODOLOGICAL ASPECT OF STUDYING THE BORDER REGION IN THE EARLY MODERN PERIOD (SECOND HALF OF THE 16th – 18th CENTURIES). Istoriya [Internet]. 2024 Jul. 18 [cited 2025 Oct. 10];6(3):25-32. Available from: https://journals-bsu.com/index.php/history/article/view/53