Sowiński, Tomasz. 2018. “The Process of Municipalization of the State in a Spirit of the Idea of Subsidiarity and in Accordance With the European Charter of Local Self-Government at the Example of Poland from 1990 to 2015”. Financial Law Review, no. 2(4) (December):22-44. https://czasopisma.bg.ug.edu.pl/index.php/flr/article/view/2079.