Al Ajmi، N. D.، و Bovis، C. (2005). Government procurement under the WTO: The advantages and disadvantages from joining the agreement on government procurement AGP for developing countries (رسالة ماجستير غير منشورة). University of Central Lancashire، بريستون. مسترجع من http://search.mandumah.com/Record/599487
Al Ajmi، Naif Daran، و Chris Bovis. "Government Procurement Under the WTO: The Advantages and Disadvantages From Joining the Agreement On Government Procurement AGP for Developing Countries" رسالة ماجستير. University of Central Lancashire، بريستون، 2005. مسترجع من http://search.mandumah.com/Record/599487