FENG, Fenling; YANG, Liuen; LAN, Dan. Order-Parameter Model for Synergetic Theory-based Railway Freight System and Evolution in China. Promet - Traffic&Transportation, [S. l.], v. 25, n. 3, p. 195–207, 2013. DOI: 10.7307/ptt.v25i3.307. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2402. Acesso em: 26 aug. 2025.