“Sub-Sovereign Fiscal Rules in Poland in Comparison With Measures Adopted in the US, China, and Selected EU Countries”. Lex localis - Journal of Local Self-Government 21, no. 1 (January 22, 2023): 17–43. Accessed October 6, 2025. http://lex-localis.org/index.php/LexLocalis/article/view/1910.