داودف, كرمح. The Role of Green Productivity to Success the industrial organizations Applied Study in Midland Refineries Company – Al Daura Refinery. JEAS [Internet]. 1Dec.2015 [cited 22Nov.2019];21(86):88. Available from: http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/841