Piasecki, Ryszard, and Karina Kostrzewa. “Sustainable Development in Poland – Why It Is Not Workable?”. Comparative Economic Research. Central and Eastern Europe 12, no. 4 (June 7, 2010): 5–21. Accessed March 3, 2026. https://czasopisma.uni.lodz.pl/CER/article/view/7799.