John Richard Madson, and Nunuk Praptiningsih. “Overview of Tanjung Semeti Training Area on The VFR Corridor Path”. Journal of Information Technology, computer science and Electrical Engineering 1, no. S1 (April 1, 2024): 13–17. Accessed December 22, 2024. http://ysmk.org/ejournal/index.php/jitcse/article/view/12.