KAMENSKIKH, M.; POSTNIKOV, V. AVIATION INDUSTRY SUSTAINABILITY IN THE PERIOD OF COVID-19. Journal of Entrepreneurship and Business Resilience, [S. l.], v. 4, n. 1, p. 89–96, 2021. Disponível em: https://jebr.fimek.edu.rs/index.php/jebr/article/view/36. Acesso em: 17 jan. 2026.