Ulfa, S., Sylvia, T., & Azhari Saragih, N. (2023). The design of the Padang Online Parking Stand Information System (POSTAND) in Air Traffic Services: Design of information system. Airman: Jurnal Teknik Dan Keselamatan Transportasi, 6(2), 78–96. https://doi.org/10.46509/ajtk.v6i2.339