Wójtowicz, Katarzyna. “The Significance of Selected Socio‑Economic Factors for Formation of the Fiscal Sustainability of Cities in Poland”. Acta Universitatis Lodziensis. Folia Oeconomica 2, no. 334 (February 28, 2018): [213]-234. Accessed December 5, 2025. https://www.czasopisma.uni.lodz.pl/foe/article/view/2301.