El Haddad، A. B. (1986). A MARKETING APPROACH TO STIMULATE FOREIGN INVESTIMENTS IN DEVELOPING COUNTRIES -WITH REFERENE TO THE CASE OF EGYPT. مجلة مصر المعاصرة، مج77, ع406 ، 367 - 294. مسترجع من http://search.mandumah.com/Record/663700
El Haddad، Awad B. "A MARKETING APPROACH TO STIMULATE FOREIGN INVESTIMENTS IN DEVELOPING COUNTRIES -WITH REFERENE TO THE CASE OF EGYPT." مجلة مصر المعاصرة مج77, ع406 (1986): 367 - 294. مسترجع من http://search.mandumah.com/Record/663700