КУЧЕР, А.; МУСТАФА, М. А. Planning and ensuring the process of procurement in the airline. Proceedings of National Aviation University, [S. l.], v. 32, n. 2, p. 54–60, 2007. DOI: 10.18372/2306-1472.32.1476. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/1476. Acesso em: 3 may. 2024.