CECOTA, Błażej. The Abbasid Revolution and its aftermath in the chronicle of Theophanes the Confessor. Part one. Balcanica Posnaniensia. Acta et studia, [S. l.], v. 29, p. 55–69, 2022. DOI: 10.14746/bp.2022.29.4. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/32892. Acesso em: 3 may. 2024.