CRAMPTON, R. Čičovska, Vesela: Meždunarodna kulturna dejnost na Bălgarija 1944—1948. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 525–526, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/8493. Acesso em: 1 mai. 2025.