ŚLUSARCZYK, Bogusław, and Małgorzata A. KOZŁOWSKA. “LEVELS OF ROAD SAFETY IN THE EUROPEAN UNION AND ITS SPATIAL DIVERSITY”. Humanities and Social Sciences 30, no. 2 (June 30, 2023): 121-133. Accessed April 12, 2026. https://journals.prz.edu.pl/hss/article/view/1351.