احمدا. A Comparison Between Some Estimator Methods of Linear Regression Model With Auto-Correlated Errors With Application Data for the Wheat in Iraq. JEAS [Internet]. 1Dec.2015 [cited 22Nov.2019];21(86):675. Available from: http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/897