ORIEKHOVA, S. Ukrainian postage at the time of the Liberation Struggles in 1918-1920: historical narrative of national stamp publishing. Skhid, [S. l.], n. 6(164), p. 23–31, 2019. DOI: 10.21847/1728-9343.2019.6(164).186548. Disponível em: https://skhid.kubg.edu.ua/article/view/186548. Acesso em: 5 may. 2024.