KLYMENKO, V. CONTEMPORARY TRENDS AND TOOLKIT OF COMPETITION ADVOCACY. Proceedings of National Aviation University (archive), [S. l.], v. 54, n. 1, p. 135–139, 2013. DOI: 10.18372/2306-1472.54.3893. Disponível em: http://jrnl.nau.edu.ua/index.php/visnik/article/view/3893. Acesso em: 13 apr. 2026.