Gosińska, Emilia, Katarzyna Leszkiewicz-Kędzior, and Władysław Welfe. “Equations of Prices, Wages and Financial Flows in W8D-2010”. Acta Universitatis Lodziensis. Folia Oeconomica, no. 294 (January 1, 2013): 179–263. Accessed December 26, 2025. https://www.czasopisma.uni.lodz.pl/foe/article/view/26161.