PENKOV, Dimo; YOVCHEV, Ivan. Essence and Ways of Infiltration of the Paulician Heresy in the Medieval Bulgarian Lands. Studia Ceranea, [S. l.], v. 14, p. 71–84, 2024. DOI: 10.18778/2084-140X.14.20. Disponível em: https://czasopisma.uni.lodz.pl/sceranea/article/view/25180. Acesso em: 7 dec. 2025.