ЕРМАКОВ, Г.; СЕКУНОВА, Ю. DIPLOMATIC PROTOCOL OF UKRAINE WITH POLAND. SWorldJournal, [S. l.], v. 4, n. 08-04, p. 136–139, 2021. DOI: 10.30888/2663-5712.2021-08-04-076. Disponível em: https://www.sworldjournal.com/index.php/swj/article/view/swj08-04-076. Acesso em: 30 apr. 2024.