Bafail، O.، و El Mualim، A. (2010). Towards A Sustainable Future with Sustainable New Cities: Applying Sustainable Development Principles to the New Economic Cities in Saudi Arabia (رسالة ماجستير غير منشورة). University of Reading، ريدنج. مسترجع من http://search.mandumah.com/Record/608251
Bafail، Omar، و Abbas El Mualim. "Towards A Sustainable Future With Sustainable New Cities: Applying Sustainable Development Principles to the New Economic Cities in Saudi Arabia" رسالة ماجستير. University of Reading، ريدنج، 2010. مسترجع من http://search.mandumah.com/Record/608251