GROCHOWINA, Małgorzata; ZUBRITSKAYA, Ekaterina. POLISH LANGUAGE IN KALININGRAD (RUSSIA) AT THE BEGINNING OF THE 21ST CENTURY - FOREIGN, SECOND OR NATIVE LANGUAGE?. Revista X, [S. l.], v. 15, n. 6, p. 169–183, 2020. DOI: 10.5380/rvx.v15i6.76825. Disponível em: https://revistas.ufpr.br/revistax/article/view/76825. Acesso em: 4 jan. 2026.