Markovits-Somogyi, Rita, and Zoltán Bokor. “Assessing the Logistics Efficiency of European Countries by Using the DEA-PC Methodology”. Transport 29, no. 2 (June 30, 2014): 137–145. Accessed November 23, 2024. https://jbem.vgtu.lt/index.php/Transport/article/view/1861.