KRUK, Hanna; WAŚNIEWSKA, Anetta. Application of the Perkal method for assessing competitiveness of the countries of Central and Eastern Europe. Oeconomia Copernicana, [S. l.], v. 8, n. 3, p. 337?352, 2017. DOI: 10.24136/oc.v8i3.21. Disponível em: https://journals.economic-research.pl/oc/article/view/244. Acesso em: 25 jun. 2024.