Dellal, Yaser, and Mustafa Kemal Şahin. “The Madrasa at Kalehisar: Preliminary Results of the Archaeological Survey 2019”. Istanbuler Mitteilungen 70 (November 26, 2024): 211–221. Accessed January 3, 2025. https://publications.dainst.org/journals/istmitt/article/view/4714.