PANTELIĆ, Strahinja; BAJČETIĆ, Stanko; ŽIVANOVIĆ, Predrag; MILOVANOVIĆ, Branko. Evaluating the Efficiency of Urban Public Transport in Belgrade – A Data Envelopment Analysis Approach. Promet - Traffic&Transportation, [S. l.], v. 38, n. 3, p. 495–508, 2026. DOI: 10.7307/ptt.v38i3.1089. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1089. Acesso em: 30 mar. 2026.