Glińska, Ewa, Halina Kiryluk, and Karolina Ilczuk. “Crowdsourcing Initiatives in City Management: The Perspective of Polish Local Governments”. Economics and Environment 82, no. 3 (October 26, 2022): 287–311. Accessed April 16, 2024. https://www.ekonomiaisrodowisko.pl/journal/article/view/519.