Mostafa Kazemi Najaf Abadi, Hussein Abbas Hassan Al-Zubaidi. “ANALYSE THE DEVELOPMENT OF FOREIGN TRADE PERFORMANCE AND INDICATORS IN THE IRAQI ECONOMY USING THE GRAVITY MODEL ”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 6, Dec. 2020, pp. 2967-79, https://www.archives.palarch.nl/index.php/jae/article/view/1244.