Old Ukrainian Language Variability in the Works by G. Smotrytskyj. Philological Studies: Scientific Bulletin of Kryvyi Rih State Pedagogical University, [S. l.], v. 6, n. 1, p. 684–689, 2011. DOI: 10.31812/filstd.v6i1.865. Disponível em: https://journal.kdpu.edu.ua/filstd/article/view/865. Acesso em: 5 dec. 2025.