HEIKKINEN, R. Kaliningrad - kaupunki saarena . Research in Arts and Education, [S. l.], v. 2006, n. 2, p. 107–110, 2006. DOI: 10.54916/rae.118658. Disponível em: https://journal.fi/rae/article/view/118658. Acesso em: 23 may. 2024.