Tawfiq، R. M. O.، و Kelly، A. (1999). The Concept of Quality and Quality Improvement Among Staff and Employees at Al-Noor Specialist Hospital Makkah Al-Mokarmah Kingdom of Saudi Arabia (رسالة ماجستير غير منشورة). University of Wales، كارديف. مسترجع من http://search.mandumah.com/Record/609882
Tawfiq، Rabea Mohammad O.، و Anne Kelly. "The Concept of Quality and Quality Improvement Among Staff and Employees At Al-Noor Specialist Hospital Makkah Al-Mokarmah Kingdom of Saudi Arabia" رسالة ماجستير. University of Wales، كارديف، 1999. مسترجع من http://search.mandumah.com/Record/609882