Kolosov, V. A., Klemeshev, A. P., Zotova, M. V. and Sebentsov, A. B. (2015) “Russia-European Union Borderlands: Transboundary Gradients, Interactions and Current Challenges”, International Journal of Economics and Financial Issues, 5(2S), pp. 5–12. Available at: https://www.econjournals.com/index.php/ijefi/article/view/1586 (Accessed: 19 April 2024).