Sabur, Fatmawati, Purnamawati, Muhammad Yahya, Abdul Muis, and Mulyadi Nur. 2024. “Analysis of Distance and Travel Time Calculations in the Implementation of Non-Directional Beacon Courses”. European Journal of Engineering and Technology Research 9 (3):8-15. https://doi.org/10.24018/ejeng.2024.9.3.3161.