Johan Septian Putra, and Nurcan Karali. “Traces of Islamic Sovereignty in Eastern Europe in the Middle Ages”. Journal of Islamic History and Manuscript 1, no. 2 (December 5, 2022): 159–184. Accessed April 29, 2024. https://ejournal.uinsaizu.ac.id/index.php/jihm/article/view/6956.