Batayneh, M. D. B. (2014) “State Finance During the Caliphate of Mu’awiya”, Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC), 7(2). Available at: https://journals.iium.edu.my/shajarah/index.php/shaj/article/view/116 (Accessed: 5 December 2021).