Johan Septian Putra, dan Nurcan Karali. “Traces of Islamic Sovereignty in Eastern Europe in the Middle Ages”. Journal of Islamic History and Manuscript 1, no. 2 (Desember 5, 2022): 159–184. Diakses Juli 2, 2025. https://ejournal.uinsaizu.ac.id/index.php/jihm/article/view/6956.