Melnychuk, Oleh, and Pavlo Kravchenko. “Social Protection of Workers and Employees in Czechoslovakia During the First Republic (1918–1939)”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 44 (June 19, 2023): 123–133. Accessed May 20, 2024. https://intranet.vspu.edu.ua/nzhist/index.php/nzhist/article/view/855.