Chai, Wenmi, Rui Zhao, Yang Han, Qian Xiang, Wenbin Wang, and Zedong You. “Dynamic Differentiated Correlation Between Coal and Non-Coal Transportation: A VAR Model Analysis of Railway Energy Transportation and Macroeconomy”. Asia Pacific Economic and Management Review 2, no. 4 (August 25, 2025). Accessed September 7, 2025. https://ojs.apspublisher.com/index.php/apemr/article/view/544.