Idyaningsih, Nining, and Ahmad Bahrawi. “The Concept of Contingency Procedure for Natural Disaster Management in Aviation Traffic Services in the LPPNPI Public Corporation of Manado District”. Airman: Jurnal Teknik dan Keselamatan Transportasi 3, no. 1 (June 30, 2020): 66–77. Accessed November 22, 2024. https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/158.