The Role of Cost and Quality of Documentary Credit in achieving the Competitive Advantage in Banks: An Applied Research in North Bank for Finance and Investment and The United Bank for Investment. JAFS [Internet]. 2020 Feb. 26 [cited 2024 May 7];(خاص). Available from: https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/765