1.
Olczyk M. Structural Heterogeneity Between EU 15 and 12 New EU Members – the Obstacle to Lisbon Strategy Implementation?. EQUIL [Internet]. 2015 Feb. 19 [cited 2024 Apr. 20];9(4):21-43. Available from: https://apcz.umk.pl/EQUIL/article/view/EQUIL.2014.023