The modern differentiation of language. Philological Studies: Scientific Bulletin of Kryvyi Rih State Pedagogical University, [S. l.], v. 15, p. 55–63, 2016. DOI: 10.31812/filstd.v15i0.166. Disponível em: https://journal.kdpu.edu.ua/filstd/article/view/166. Acesso em: 5 dec. 2025.