РОМАНКО, О. П. Comparison and analysis of the competitiveness index: towards an EU policy. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), [S. l.], v. 2, n. 10, p. 126–132, 2014. Disponível em: https://eung.nung.edu.ua/index.php/ecom/article/view/177. Acesso em: 29 mar. 2024.