عبد الوهابنادية. “Measuring Service Delivery Orientation For Doctor and Patients Perspective Experimental Study in Numan General Hospital”. Journal of Economics and Administrative Sciences 21, no. 86 (December 1, 2015): 306. Accessed November 22, 2019. http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/860.