PIDKOWA, I.; SUKHYY, O. «TO PRESERVE IMPOSSIBLE TO DESTROY»: 1991 SOVIET UNION REFERENDUM ON THE PRESERVATION OF THE SOVIET UNION AND ITS HOLDING IN THE UKRAINIAN SSR. EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 11, p. 215–224, 2019. DOI: 10.24919/2519-058x.11.170718. Disponível em: http://eehb.dspu.edu.ua/article/view/170718. Acesso em: 24 nov. 2024.