POLYCH, M. The Figure of Longyn Tsegelskyi in the Development of International Relations and Diplomacy of the West Ukrainian People’s Republic. Problems of World History, [S. l.], n. 21, p. 196–206, 2023. DOI: 10.46869/2707-6776-2023-21-10. Disponível em: https://journal.ivinas.gov.ua/pwh/article/view/258. Acesso em: 3 jul. 2024.