Koteja, Piotr Michał, Sylwester Gaweł, and Zbigniew Małodobry. “Organization and Analysis of Costs Related to the Participation of Judo Athletes in International Competitions During the Pandemic Period”. Scientific Journal of Bielsko-Biala School of Finance and Law 27, no. 3 (September 30, 2023): 92–96. Accessed July 3, 2024. https://asej.eu/index.php/asej/article/view/746.