Principles Of Russian Orography In The Practical Course Of Russian As A Foreign Language. Texas Journal of Philology, Culture and History , [S. l.], v. 40, p. 1–2, 2024. DOI: 10.62480/tjpch.2025.vol40.pp1-2. Disponível em: https://mail.zienjournals.com/index.php/tjpch/article/view/5981. Acesso em: 11 oct. 2025.