ZELENIKA, Ratko; TOKOVIĆ, Katarina. Efficiency and Stability Ratios of the Transport Corporation Business. Promet - Traffic&Transportation, [S. l.], v. 12, n. 4, p. 189–199, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1918. Acesso em: 26 aug. 2025.