Florczak, Waldemar, Iwona Świeczewska, and Władysław Welfe. “System of Macroeconometric Models of the National Economy of Poland”. Acta Universitatis Lodziensis. Folia Oeconomica, no. 294 (January 1, 2013): 407–421. Accessed December 6, 2025. https://www.czasopisma.uni.lodz.pl/foe/article/view/26156.