Purbo Wartoyo, B. dkk. 2020. Rancang Bangun Remote-Control Monitoring System (RCMS) pada peralatan Navigasi Udara NDB di Makassar Air Traffic Service Center berbasis Internet of Thing (IoT). Airman: Jurnal Teknik dan Keselamatan Transportasi. 3, 2 (Des 2020), 171–180. DOI:https://doi.org/10.46509/ajtk.v3i2.20.