Ardiansyah, Roby, Ali Mukti Tanjung, Reza Nurul Ichsan, and Ahmad Karim. 2024. “The Effect of Control and Supervision of Aviation Security on Flight Safety at Kualanamu International Airport North Sumatra”. International Journal of Economics (IJEC) 3 (2):1497-1507. https://doi.org/10.55299/ijec.v3i2.1138.