PIEPRZNY, S. Cooperation of the Police with non-governmental organizations in the field of security and public order. Acta Iuridica Resoviensia, [S. l.], v. 31, n. 113, p. 192–199, 2020. DOI: 10.15584/znurprawo.2020.31.15. Disponível em: https://journals.ur.edu.pl/zeszyty-sp/article/view/1998. Acesso em: 25 kwi. 2024.