Al Hefdhi، J. A.، و Keller، A. Z. (1995). CIM/JIT and Manufacturing Competitiveness: A World - Wide Assessment of the Impact of Computer Integrated Manufacturing and Just-in-Time on Manufacturing Technologies is Made by Statistically Analysing and Interpreting A Structured Questionnaire (رسالة دكتوراه غير منشورة). University of Bradford، برادفورد. مسترجع من http://search.mandumah.com/Record/600416
Al Hefdhi، Jamal A.، و A. Z. Keller. "CIM/JIT and Manufacturing Competitiveness: A World - Wide Assessment of the Impact of Computer Integrated Manufacturing and Just-in-Time On Manufacturing Technologies Is Made By Statistically Analysing and Interpreting A Structured Questionnaire" رسالة دكتوراه. University of Bradford، برادفورد، 1995. مسترجع من http://search.mandumah.com/Record/600416