Wan Abdullah, W. S. (2001). Gerd R. Puin, Observations on Early Qur’an Manuscripts in Sana’a’, (5 Hlm.) Dalam Stefan Wild, (Ed.) The Qur’an as Text, (Leiden - New York - Koln: E.J. Brill, 1996). Jurnal Usuluddin, 13, 153–156. Retrieved from https://ejournal.um.edu.my/index.php/JUD/article/view/4019