CHYNCHENKO, Yuriy; KHARCHENKO, Volodymyr. THE FREE ROUTE AIRSPACE UKRAINE IMPLEMENTATION CORNERSTONES. Proceedings of National Aviation University (archive), [S. l.], v. 86, n. 1, p. 6–12, 2021. DOI: 10.18372/2306-1472.86.15438. Disponível em: https://jrnl.kai.edu.ua/index.php/visnik/article/view/15438. Acesso em: 11 sept. 2026.