“The Formal Variations of the Quran Calligraphy at the Beginning of Islam: كفاح جمعة حافظ”. Al-Academy , no. 72 (May 10, 2015): 259–273. Accessed May 1, 2024. https://jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/671.