Berezhnoy, Vladimir Ivanovich, Olga Vladimirovna Berezhnaya, Svetlana Gennadievna Kosenko, Maria Gendrihovna Matevosian, and Elena Viktorovna Berezhnaya. 2015. “Tendencies and Regularities of Russian Regional Transport Systems’ Development”. International Journal of Economics and Financial Issues 5 (3S):187-93. https://mail.econjournals.com/index.php/ijefi/article/view/1710.