Aura P. C., Rahma, Lusiana Dewi Kusumayati, and Arnaz Olieve. “The Effect of The Number of Departure Passenger on The Quality of Custumer Service Officer (CSO) at Kualanamu International Airport, Medan”. Proceeding of International Conference of Advance Transportation, Engineering, and Applied Social Science 2, no. 1 (November 8, 2023): 818–823. Accessed July 4, 2024. https://ejournal.poltekbangsby.ac.id/index.php/icateass/article/view/1746.