Bernaciak, Arnold, and Filip Kopczyński. “Participatory Budgeting – an Indicator of Social Activity of Residents and a Tool of Environmental Protection in Poland: Spatial Diversity in the east/West Configuration”. Economics and Environment 69, no. 2 (March 1, 2019): 15. Accessed April 20, 2024. https://www.ekonomiaisrodowisko.pl/journal/article/view/81.