Mariola MamcarczykPaweł Zieniuk2025-07-252025-07-2520202658-084510.7206/cemj.2658-0845.36https://repozytorium.kozminski.edu.pl/handle/item/1662CC-BY-4.0public benefit organizationsfoundationsassociations1% of income taxtechnical report: technical reportpublic benefit organizationsfoundationsassociations1% of income taxFunding of Public Benefit Activity with 1% of Personal Income Tax Scheme: Empirical ResearchFunding of Public Benefit Activity with 1% of Personal Income Tax Scheme: Empirical ResearchArticle