Alarid, Walid, and Abd Alrhman ALjadaan. “Sultan Murad II’s Policy towards Italy and the Balkans (1421-1451 AD)”. Dirasat: Human and Social Sciences 50, no. 3 (May 30, 2023): 307–321. Accessed February 23, 2026. https://dsr.ju.edu.jo/djournals/index.php/Hum/article/view/5414.