Al Harthi، A. E. A.، و Dueanis، A. (1987). THE ROLE OF SAUDI ARABIAN INSTITUTIONS OF HIGHER EDUCATION IN MEETING NEEDS FOR UNDERGRADUATE EDUCATION (رسالة دكتوراه غير منشورة). University of Pittsburgh، بيتسبرغ. مسترجع من http://search.mandumah.com/Record/611812
Al Harthi، Abd Elmajid Aglan، و Alex Dueanis. "THE ROLE OF SAUDI ARABIAN INSTITUTIONS OF HIGHER EDUCATION IN MEETING NEEDS FOR UNDERGRADUATE EDUCATION" رسالة دكتوراه. University of Pittsburgh، بيتسبرغ، 1987. مسترجع من http://search.mandumah.com/Record/611812