Socha, Robert. “POLICE ACTIVITIES AIMED AT PROVIDING SECURITY AT MASS EVENTS ON THE EXAMPLE OF UEFA EURO 2012”. Scientific Journal of Bielsko-Biala School of Finance and Law 6, no. 2 (July 30, 2005): 152–174. Accessed November 24, 2024. https://asej.eu/index.php/asej/article/view/525.