Sancewicz, Paweł. “The Spatial Validity of Local Law Acts After the Amendment Introduced by the Act of 25 June 2015 Amending the Act on Municipal Self-Government and Some Other Acts”. Studia Prawa Publicznego, no. 4 (36), Dec. 2021, pp. 59-77, doi:10.14746/spp.2021.4.36.3.