Kapidani, Nexhat, Edvard Tijan, Marija Jović, and Enis Kočan. “National Maritime Single Window – Cost-Benefit Analysis of Montenegro Case Study”. Promet - Traffic&Transportation 32, no. 4 (July 23, 2020): 543-557. Accessed August 7, 2020. http://traffic.fpz.hr/index.php/PROMTT/article/view/3422.