Fatiha, H. (2022). Analysis Performance of VRB-53D DVOR Landing Aid With Precision Periode Of Flight During COVID-19 Pandemic At Airnav Batam Branch. Airman: Jurnal Teknik Dan Keselamatan Transportasi, 5(2), 22–31. https://doi.org/10.46509/ajtk.v5i2.262