KLEMESHEV, A. P.; FEDOROV, G. M.; MANAKOV, A. G. Baltic Subjects of the Russian Federation among Border Regions of Russia. International Journal of Economics and Financial Issues, [S. l.], v. 5, n. 2S, p. 41–48, 2015. Disponível em: https://econjournals.com/index.php/ijefi/article/view/1584. Acesso em: 4 oct. 2022.