Xue, Feng, Qian Huang, Chuanlei He, and Bharat Pathak. 2020. “Using an Entropy-GRA, TOPSIS, and PCA Method to Evaluate the Competitiveness of AFVs – The China Case”. Promet - Traffic&Transportation 32 (5), 655-66. https://doi.org/10.7307/ptt.v32i5.3417.