Layth A. Hasnawi. “Study the Effect of Programmed Partial Mainteanence on the Power Factory Productivty in Diyala Company for Electrical INDUSTRIES”. Diyala Journal of Engineering Sciences 9, no. 1 (March 1, 2016): 121–133. Accessed October 6, 2024. https://mail.djes.info/index.php/djes/article/view/290.