Krykavskyy, Yevhen, and Kateryna Stasiuk. “Railway Infrastructure Financial Security: The Ukrainian Case”. Scientific Journal of Bielsko-Biala School of Finance and Law 25, no. 1 (April 30, 2021): 10-14. Accessed December 2, 2021. https://asej.eu/index.php/asej/article/view/563.