High economic profitability of the estates of Grand Duke Mikhail Alexandrovichin Orel Province at the beginning of the 20th Century. Вестник государственного и муниципального управления [Internet]. 2025 Apr. 15 [cited 2026 Sep. 28];14(4):93-110. Available from: https://vestnik-gmu.owebs.ru/article/view/18398