YOUNIS, M. .; JAME, R. . Charlemagne’s relationship with the Umayyads of Andalusia (157-162 AH/774-778 AD ). Tishreen University Journal- Arts and Humanities Sciences Series, [S. l.], v. 39, n. 3, 2017. Disponível em: https://journal.tishreen.edu.sy/index.php/humlitr/article/view/3183. Acesso em: 3 may. 2024.