DOŁOWY-RYBIŃSKA, Nicole. Mutual intelligibility of Slavic languages as motivation to learn Upper Sorbian by German-speaking students of Upper Sorbian Grammar School. Zeszyty Łużyckie, [S. l.], v. 55, n. 1, p. 299–318, 2021. DOI: 10.32798/zl.812. Disponível em: https://www.journals.polon.uw.edu.pl/index.php/zl/article/view/812. Acesso em: 13 sep. 2026.