Almahmoud، A. I. (2014). Ease of Doing Business Rankings and Foreign Direct Investment in Developing Economies: Evidence from System GMM Approach. المجلة المصرية للدراسات التجارية، مج38, ع4 ، 1 - 26. مسترجع من http://search.mandumah.com/Record/692649
Almahmoud، Abdulaziz Ibrahim. "Ease of Doing Business Rankings and Foreign Direct Investment in Developing Economies: Evidence From System GMM Approach." المجلة المصرية للدراسات التجارية مج38, ع4 (2014): 1 - 26. مسترجع من http://search.mandumah.com/Record/692649