محمدا, يوسفه. The Effect of the Stability of Some Commodity Activities in Iraq on the Estimation of the Statistical Data Models for the Period (1988-2000). JEAS [Internet]. 1Jun.2012 [cited 23Nov.2019];18(66):332. Available from: http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/1080