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دليل المستخدم
Abd Allah، H.، Shaw، G.، و Coles، T. (2011). An Investigation Into the Current State of International Conference Tourism in Saudi Arabia and An Assessment of its Future Development Possibilities (رسالة دكتوراه غير منشورة). University of Exeter، إكستر. مسترجع من http://search.mandumah.com/Record/604252
Abd Allah، Haifa، Gareth Shaw، و Tim Coles. "An Investigation Into the Current State of International Conference Tourism in Saudi Arabia and An Assessment of Its Future Development Possibilities" رسالة دكتوراه. University of Exeter، إكستر، 2011. مسترجع من http://search.mandumah.com/Record/604252