Zhao, Bobo, Tao Tang, Bin Ning, and Wei Zheng. “Hybrid Decision-Making Method for Emergency Response System of Unattended Train Operation Metro”. Promet - Traffic&Transportation 28, no. 2 (April 25, 2016): 105–115. Accessed October 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2583.