Kulyk, Mykola, Dmytro Bugayko, and Oksana Ilienko. “SAFETY OF AVIATION IN GLOBAL CONTEXT OF THE WORLD AIR TRANSPORT DEVELOPMENT”. Proceedings of National Aviation University (archive) 56, no. 3 (October 1, 2013): 112–117. Accessed April 24, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/5442.