YAN, Huang; ZHANG, Xiaoning; WANG, Xiaolei. Hierarchical Passenger Hub Location Problem in a Megaregion Area Considering Service Availability. Promet - Traffic&Transportation, [S. l.], v. 33, n. 2, p. 247–258, 2021. DOI: 10.7307/ptt.v33i2.3563. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2921. Acesso em: 26 aug. 2025.