Kozera , Agnieszka, and Aldona Standar. “Assessment of Change and the Reasons of Development of the Level of Financial Self-Sufficiency of Towns With County Rights in Poland”. Studia Oeconomica Posnaniensia 6, no. 2 (February 28, 2018): 84–105. Accessed September 3, 2026. https://journals.ue.poznan.pl/soep/article/view/3795.