Ibrahim، A. M.، و Ricci، E. M. (1994). A comparative study of the impact of computerized information systems in the liver transplant intensive care units, the University of Pittsburgh Medical Center (رسالة دكتوراه غير منشورة). University of Pittsburgh، بيتسبرغ. مسترجع من http://search.mandumah.com/Record/612685
Ibrahim، Al Mihim، و Edmund M. Ricci. "A Comparative Study of the Impact of Computerized Information Systems in the Liver Transplant Intensive Care Units, the University of Pittsburgh Medical Center" رسالة دكتوراه. University of Pittsburgh، بيتسبرغ، 1994. مسترجع من http://search.mandumah.com/Record/612685