NIKOLAOU, A. The Hymnography in Honour of Saints Constantine and Helena and its Connection with Imperial Ideology. Studia Ceranea, [S. l.], v. 13, p. 619–642, 2023. DOI: 10.18778/2084-140X.13.04. Disponível em: https://czasopisma.uni.lodz.pl/sceranea/article/view/15890. Acesso em: 12 may. 2024.