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دليل المستخدم
Youssef، W. M. (2020). Investigating the Relationship between Physical Infrastructure and Economic Growth in the Middle East and North Africa. المجلة العلمية للاقتصاد والتجارة، ع3 ، 53 - 87. مسترجع من http://search.mandumah.com/Record/1085390
Youssef، Waleed Mohamed. "Investigating the Relationship between Physical Infrastructure and Economic Growth in the Middle East and North Africa." المجلة العلمية للاقتصاد والتجارة ع3 (2020): 53 - 87. مسترجع من http://search.mandumah.com/Record/1085390