SEBAYANG, . R. B. .; WIDYASTUTI , . . Evaluation of Ability to Pay and Willingness to Pay Kualanamu Airport Railink User Service. Journal of Civil Engineering, [S. l.], v. 39, n. 1, p. 51, 2025. DOI: 10.12962/j20861206.v39i1.7335. Disponível em: https://journal.its.ac.id/index.php/jce/article/view/7335. Acesso em: 6 dec. 2025.