Feng, Xuesong, Weixin Hua, and Xuepeng Qian. “Reducing Perceived Urban Rail Transfer Time With Ordinal Logistic Regressions”. Promet - Traffic&Transportation 31, no. 5 (October 25, 2019): 593–602. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2827.