Постолюк, Павло. “Pavlo Postolyuk. Creation of the State of Bohdan Khmelnyts’ky in Creation of Three Voivodeships”. Young Scholars Grinchenko – Seton International Journal 2, no. 2 (June 29, 2021): 23–30. Accessed July 27, 2024. https://ysgsij.kubg.edu.ua/index.php/journal/article/view/59.