Куклінський, М.В., and Т.В. Холявкіна. “INTEGRATION EXTENT OF UKRAINE IN INTERNATIONAL MULTI-LAYER FLIGHT SAFETY CONTROL SYSTEM”. Proceedings of National Aviation University 52, no. 3 (October 19, 2012): 52–56. Accessed May 2, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/2348.