DIANI, Oktrianti. The Importance of Passenger Service Staff in the Transportation Service. KnE Social Sciences, [S. l.], v. 5, n. 1, p. 583–597, 2021. DOI: 10.18502/kss.v5i1.8316. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/8316. Acesso em: 30 aug. 2025.