OLCZYK, Magdalena. Structural Heterogeneity Between EU 15 and 12 New EU Members ? the Obstacle to Lisbon Strategy Implementation?. Equilibrium. Quarterly Journal of Economics and Economic Policy, [S. l.], v. 9, n. 4, p. 21–43, 2014. DOI: 10.12775/EQUIL.2014.023. Disponível em: https://journals.economic-research.pl/eq/article/view/299. Acesso em: 22 feb. 2024.