Fitri, S. and Fakhrudin, A. 2023. 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, 1 (Jun. 2023), 382–386. DOI:https://doi.org/10.57235/qistina.v2i1.544.