حسين عاشور جبر العتابي. “The Importance of Terms of Trade Criterions (TT) in Economic Development Planning/ Iraq : An Applied Studying Case”. Al Kut Journal of Economic and Administrative Sciences, Vol. 6, no. 15, Apr. 2014, pp. 74-92, https://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/184.