Gwardyński, Robert, and Barbara Kaczmarczyk. “Assessment of the Efficiency of Preventive Measures Undertaken by the Police in Poland”. Scientific Journal of Bielsko-Biala School of Finance and Law 23, no. 3 (October 10, 2019): 42–47. Accessed May 13, 2025. https://asej.eu/index.php/asej/article/view/379.