GREBENNIKOV, V.; SMOLNIKOV, Y. TRANSFORMATIONS OF CIVIL AVIATION IN UKRAINE IN THE 21ST CENTURY. Proceedings of National Aviation University, [S. l.], v. 80, n. 3, p. 41–50, 2019. DOI: 10.18372/2306-1472.80.14273. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/14273. Acesso em: 6 may. 2024.