BARAN, R. T. ECONOMIC APPROACHES TO IMPROVE THE COMPETITIVENESS OF UKRAINIAN TRANSPORT ENTERPRISES ( THE EXAMPLE OF CIVIL AVIATION). Science and Transport Progress , [S. l.], n. 34, p. 232–241, 2010. DOI: 10.15802/stp2010/9249. Disponível em: https://stp.ust.edu.ua/article/view/9249. Acesso em: 21 dec. 2024.