Entry Barriers in Seaports Entry Barriers in Seaports Adapted from: De Langen P.W. and Pallis Α.Α. (2007). Entry Barriers in Seaports, Maritime Policy and Management, 34(5), 427-440. Share this: Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit