Kozhokhina, Olena, Victor Gribov, and Sergiy Rudas. “STRUCTURAL RELIABILITY OF AIR TRAFFIC CONTROLLERS”. Proceedings of National Aviation University 61, no. 4 (December 10, 2014): 50–55. Accessed May 2, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/7586.