LIM, Kwang-Kyun. Estimating a New Fare for Sightseeing Trains Based on Willingness to Pay. Promet - Traffic&Transportation, [S. l.], v. 32, n. 6, p. 773–787, 2020. DOI: 10.7307/ptt.v32i6.3379. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2895. Acesso em: 26 aug. 2025.