GWARDYŃSKI, Robert; KACZMARCZYK, Barbara. Assessment of the Efficiency of Preventive Measures Undertaken by the Police in Poland. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 23, n. 3, p. 42–47, 2019. DOI: 10.5604/01.3001.0013.6529. Disponível em: https://asej.eu/index.php/asej/article/view/379. Acesso em: 13 may. 2025.