VIIKBERG, J. Estonian linguistic enclaves on the territory of the former Russian Empire: contacts with local languages. Eesti ja soome-ugri keeleteaduse ajakiri. Journal of Estonian and Finno-Ugric Linguistics, Tartu, Estonia, v. 5, n. 2, p. 169–184, 2014. DOI: 10.12697/jeful.2014.5.2.08. Disponível em: https://ojs.utlib.ee/index.php/jeful/article/view/jeful.2014.5.2.08. Acesso em: 28 mar. 2024.