Fitri, Safira, and Arif Fakhrudin. “The Effect of Customer Service Performance and Sign Placement Facilities on Passenger Satisfaction Levels at Zainuddin Abdul Majid International Airport”. QISTINA: Jurnal Multidisiplin Indonesia 2, no. 1 (June 1, 2023): 382–386. Accessed June 12, 2026. https://rayyanjurnal.com/index.php/qistina/article/view/544.