Ardiansyah D, Widyastuti H. Analysis of Passenger Ability and Willingness to Pay for the Surabaya-Yogyakarta Train Route. JCE [Internet]. 2025 Jul. 21 [cited 2026 Feb. 6];40(1):27. Available from: https://journal.its.ac.id/index.php/jce/article/view/7262