Al Modaf، O. A.، و Snizek، W. E. (2003). Attitudes toward the Effects of Privatization on the Employment System: A Study of Undergraduate College Students in Saudi Arabia (رسالة دكتوراه غير منشورة). Virginia Polytechnic Institute and State University، ريتشموند. مسترجع من http://search.mandumah.com/Record/618532
Al Modaf، Obaid Ali، و William E. Snizek. "Attitudes Toward the Effects of Privatization On the Employment System: A Study of Undergraduate College Students in Saudi Arabia" رسالة دكتوراه. Virginia Polytechnic Institute and State University، ريتشموند، 2003. مسترجع من http://search.mandumah.com/Record/618532