Kolosov, Vladimir A., Andrey P. Klemeshev, Maria V. Zotova, and Alexander B. Sebentsov. “Russia-European Union Borderlands: Transboundary Gradients, Interactions and Current Challenges”. International Journal of Economics and Financial Issues 5, no. 2S (November 21, 2015): 5–12. Accessed December 22, 2024. https://econjournals.com.tr/index.php/ijefi/article/view/1586.