Hicham، A.، و Belmokaddem، M. (2019). The Effect of Terms of Trade on Economic Growth in Maghreb Countries: Harberger-Laursen metzler Effect for the Period 1990-2017. مجلة الباحث، ع19 ، 563 - 576. مسترجع من http://search.mandumah.com/Record/1034442
Hicham، Ayad، و Mostefa Belmokaddem. "The Effect of Terms of Trade On Economic Growth in Maghreb Countries: Harberger-Laursen Metzler Effect for the Period 1990-2017." مجلة الباحث ع19 (2019): 563 - 576. مسترجع من http://search.mandumah.com/Record/1034442