CHYNCHENKO, Y.; KHARCHENKO, V. THE FREE ROUTE AIRSPACE UKRAINE IMPLEMENTATION CORNERSTONES. Proceedings of National Aviation University, [S. l.], v. 86, n. 1, p. 6–12, 2021. DOI: 10.18372/2306-1472.86.15438. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/15438. Acesso em: 19 may. 2024.