GABRYS-BARKER, Danuta. Polish as a foreign language at elementary level of instruction: crosslinguistic influences in writing. Linguística: Revista de Estudos Linguísticos da Universidade do Porto, [S. l.], v. 2, p. 29–46, 2018. Disponível em: https://ojstest.xyz/ojsletrasX/index.php/EL/article/view/4016. Acesso em: 18 mai. 2026.