Al Darwish، A.، و Kemp، G. (2008). Investigating the Performance of Saudi Commercial Banking System and its Determinants
(رسالة دكتوراه غير منشورة).
University of Essex، Colchester. مسترجع من http://search.mandumah.com/Record/686259
Al Darwish، Ahmed، و Gordon Kemp. "Investigating the Performance of Saudi Commercial Banking System and Its Determinants" رسالة دكتوراه.
University of Essex، Colchester، 2008. مسترجع من http://search.mandumah.com/Record/686259