Kravchuk, Oleksandr. “The Development of the Institute of Presidency in the Czechoslovak Republic in 1918-1919”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 29 (September 2, 2019): 83–88. Accessed May 18, 2024. https://intranet.vspu.edu.ua/nzhist/index.php/nzhist/article/view/603.