MARKOVITS-SOMOGYI, Rita. Review and Systematization of Efficiency Measurement Methods Used in the Transport Sector. Promet - Traffic&Transportation, [S. l.], v. 23, n. 1, p. 39–47, 2012. DOI: 10.7307/ptt.v23i1.147. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1413. Acesso em: 26 aug. 2025.