Mahrat, I. M., & Abdul Hamid, F. A. F. (2017). The Umayyad Caliphate in Andalusia: Its Diplomatic Relations with the German Empire (316-366 / 929-976). Al-Muqaddimah: Online Journal of Islamic History and Civilization, 5(1), 86–92. Retrieved from https://ejournal.um.edu.my/index.php/MUQADDIMAH/article/view/11125