Al Sehali، S.، و Fahmy، M. F. M. (2000). THE FACTORS THAT AFFECT THE IMPLEMENTATION OF ENTERPRISE RESOURCE PLANNING (ERP) IN THE INTERNATIONAL ARAB GULF STATES AND UNITED STATES COMPANIES WITH SPECIAL EMPHASIS ON SAP SOFTWARE (رسالة دكتوراه غير منشورة). University of Northern Iowa، إيوا. مسترجع من http://search.mandumah.com/Record/616611
Al Sehali، Saud، و Mahmoud Fawzy M. Fahmy. "THE FACTORS THAT AFFECT THE IMPLEMENTATION OF ENTERPRISE RESOURCE PLANNING (ERP) IN THE INTERNATIONAL ARAB GULF STATES AND UNITED STATES COMPANIES WITH SPECIAL EMPHASIS ON SAP SOFTWARE" رسالة دكتوراه. University of Northern Iowa، إيوا، 2000. مسترجع من http://search.mandumah.com/Record/616611