Said، G. A. M. (1963). LARGE CUSTOMS UNIONS AND THEIR IMPACT ON DEVELOPING COUNTRIES. مجلة مصر المعاصرة، مج54, ع312 ، 5 - 24. مسترجع من http://search.mandumah.com/Record/663525
Said، Gamal Aldin Mohammed. "LARGE CUSTOMS UNIONS AND THEIR IMPACT ON DEVELOPING COUNTRIES." مجلة مصر المعاصرة مج54, ع312 (1963): 5 - 24. مسترجع من http://search.mandumah.com/Record/663525