Al Humaid، M. I. A. (2003). The Factors Affecting the Process of Saudization in the Private Sector in the Kingdom of Saudi Arabia: A Case Study of Riyadh City (رسالة دكتوراه غير منشورة). University of Exeter، إكستر. مسترجع من http://search.mandumah.com/Record/687817
Al Humaid، Mohammed Ibrahim Ali. "The Factors Affecting the Process of Saudization in the Private Sector in the Kingdom of Saudi Arabia: A Case Study of Riyadh City" رسالة دكتوراه. University of Exeter، إكستر، 2003. مسترجع من http://search.mandumah.com/Record/687817