Al Hammad، A. A. A.، و Benjamin، B. S. (1984). A STUDY OF CRACKS AND OTHER DEFICIENCIES ENCOUNTERED IN PRESTRESSED CONCRETE PIPES, EFFECTIVENESS OF REPAIR PROCEDURES, AND ITS IMPACT ON FUTURE EXPANSION OF THE SWC PROJECT IN JUBAIL, SAUDI ARABIA (رسالة دكتوراه غير منشورة). University of Kansas، لورانس. مسترجع من http://search.mandumah.com/Record/618947
Al Hammad، Abd Almohsen A.، و B. S. Benjamin. "A STUDY OF CRACKS AND OTHER DEFICIENCIES ENCOUNTERED IN PRESTRESSED CONCRETE PIPES, EFFECTIVENESS OF REPAIR PROCEDURES, AND ITS IMPACT ON FUTURE EXPANSION OF THE SWC PROJECT IN JUBAIL, SAUDI ARABIA" رسالة دكتوراه. University of Kansas، لورانس، 1984. مسترجع من http://search.mandumah.com/Record/618947