رشيدثائر, and عبد اللهعلي. “Assessing the Efficiency Economic Performance of the Diyala General Company for Electrical Industries for the Period (2000-2010)”. Journal of Economics and Administrative Sciences 20, no. 75 (February 1, 2014): 242. Accessed December 4, 2019. http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/546.