Al Hakami، A. S.، و Slovic، P. (1991). A PSYCHOLOGICAL STUDY OF THE INVERSE RELATIONSHIP BETWEEN PERCEIVED RISK AND PERCEIVED BENEFIT OF TECHNOLOGICAL HAZARDS (رسالة دكتوراه غير منشورة). University of Oregon، يوجين. مسترجع من http://search.mandumah.com/Record/619319
Al Hakami، Ali Siddiq، و Paul Slovic. "A PSYCHOLOGICAL STUDY OF THE INVERSE RELATIONSHIP BETWEEN PERCEIVED RISK AND PERCEIVED BENEFIT OF TECHNOLOGICAL HAZARDS" رسالة دكتوراه. University of Oregon، يوجين، 1991. مسترجع من http://search.mandumah.com/Record/619319