DYAKIV, K.; YAREMKO, M.; BOBER, N. Communicative failures of ukrainian speakers in learning german. Revista Amazonia Investiga, [S. l.], v. 11, n. 50, p. 204–214, 2022. DOI: 10.34069/AI/2022.50.02.20. Disponível em: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/1919. Acesso em: 6 feb. 2026.