FILEK, Janina. Difficulties with values. Journal of Public Governance, Poland, v. 39, n. 1, p. 9–22, 2017. DOI: 10.15678/ZP.2017.39.1.01. Disponível em: https://www.publicgovernance.pl/zpub/article/view/406.. Acesso em: 6 may. 2025.