On the Problem of Exacerbation of Social Contradictions in the Ukrainian Cossack State and the Socio-Economic Policy of the Hetman’s Government of the Ruins Era . UNZ [Internet]. 2021 Oct. 30 [cited 2026 Feb. 15];(4 (82):71-86. Available from: https://unz.univer.km.ua/index.php/unz/article/view/82_71-86