LEVCHENKOV, A. V.; GUMENYUK, I. S. The Spatial Development of the Rural Settlement of East Prussia: Kaliningrad Region. International Journal of Economics and Financial Issues, [S. l.], v. 5, n. 2S, p. 30–36, 2015. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/1603. Acesso em: 28 may. 2022.