KHARCHENKO, V. P.; CHYNCHENKO, Y. V.; BABEICHYK, D. G.; BUGAYKO, D. O. THE PRINCIPLES OF SINGLE EUROPEAN SKY PROGRAM IMPLEMENTATION IN UKRAINE. Proceedings of National Aviation University, [S. l.], v. 41, n. 4, p. 9–13, 2009. DOI: 10.18372/2306-1472.41.1787. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/1787. Acesso em: 9 may. 2024.