Zerkout، R.، و Abdelhafid، M. (2021). Tourism's Contribution as an Export Industry to Stimulate Foreign Trade: An Econometrics Study of a Sample of Arab Countries during the Period 2000-2017 by Using Panel Data. مجلة مجاميع المعرفة، مج7, عدد خاص ، 206 - 222. مسترجع من http://search.mandumah.com/Record/1200751
Zerkout، Rima، و Meskine Abdelhafid. "Tourism's Contribution As an Export Industry to Stimulate Foreign Trade: An Econometrics Study of a Sample of Arab Countries During the Period 2000-2017 By Using Panel Data." مجلة مجاميع المعرفة مج7, عدد خاص (2021): 206 - 222. مسترجع من http://search.mandumah.com/Record/1200751