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Selected aspects of social policy in Poland in the process of integration with the European Union
Kwiatkowska, Walentyna, (2003)
Costs and benfits of Poland's accession to the EU in the field of social policy, and its consequences on the migration of the labour force
Krzywa płac w gospodarce polskiej w latach 1995 - 2005
Rogut, Aleksandra, (2007)