Florczak, Waldemar. “Modeling Sustainable Development in Macroeconomic Models of Poland’s National Economy”. Acta Universitatis Lodziensis. Folia Oeconomica, no. 294 (January 1, 2013): 319–369. Accessed December 7, 2025. https://czasopisma.uni.lodz.pl/foe/article/view/26154.