Waris A, Kusuma AR, Saipul S. The Effectiveness of Implementing a Regional Tourism Master Plan: A Case Study of Berau Regency . JE [Internet]. 2026 Sep. 30 [cited 2026 Oct. 2];5(9):7433-55. Available from: https://ejournal.45mataram.ac.id/index.php/economina/article/view/4411