عبد الحافظ محمود عبدالله مهدي. Embassies and letters between The Frank Merovingians and Byzantium "Challenges and Response" (507-590). Delalat Journal of Humanities and Educational Sciences, طبرق، ليبيا, n. 11, p. 216–242, 2024. DOI: 10.64516/j6jn0287. Disponível em: https://journals.tu.edu.ly/tujdl/index.php/delalat/article/view/71. Acesso em: 24 sep. 2025.