KARPIUK, Valentyna A. Development of regional and communicative skills when learning German in Kryvyi Rih. Educational Dimension, Kryvyi Rih, Ukraine, v. 2, p. 70–83, 2020. DOI: 10.31812/educdim.v54i2.3855. Disponível em: https://acnsci.org/journal/index.php/ed/article/view/454.. Acesso em: 28 apr. 2025.