STAYKOV, Stoycho. Patriarch Cyril as a Church Historian. Forum Theologicum Sardicense, [S. l.], n. 1, p. 69–84, 2025. DOI: 10.60061/fths.2023.1.69-84. Disponível em: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/1261. Acesso em: 25 sep. 2025.