Zhang, Lili, Junbo Gao, Yujun Huang, Xi Kou, Junjie Yang, Jianping Chen, and Lei Liang. “International Experience of Civil Aviation Service Quality Evaluation”. Highlights in Science, Engineering and Technology 78 (December 26, 2023): 194–201. Accessed September 4, 2026. https://drpress.org/ojs/index.php/HSET/article/view/15491.