Al Saadi، A. E. (2011). The Degree of Justice of the Zakat and Taxation System in the Kingdom of Saudi Arabia (رسالة ماجستير غير منشورة). University of Dundee، دندي. مسترجع من http://search.mandumah.com/Record/609410
Al Saadi، Aid Eid. "The Degree of Justice of the Zakat and Taxation System in the Kingdom of Saudi Arabia" رسالة ماجستير. University of Dundee، دندي، 2011. مسترجع من http://search.mandumah.com/Record/609410