Kwiatkowska, Walentyna. “The Structure of Unemployment in Poland and the European Union Between 2000 and 2012”. Comparative Economic Research. Central and Eastern Europe 17, no. 3 (October 3, 2014): 63–84. Accessed December 8, 2025. https://www.czasopisma.uni.lodz.pl/CER/article/view/7024.