Communicative Polish language courses for foreigners: textbook’s profile and teacher’s and listener’s competence. Philological Studies: Scientific Bulletin of Kryvyi Rih State Pedagogical University, [S. l.], v. 9, n. 1, p. 663–672, 2013. DOI: 10.31812/filstd.v9i1.596. Disponível em: https://journal.kdpu.edu.ua/filstd/article/view/596. Acesso em: 5 dec. 2025.