Xiao, Yu, Haotian Zhong, Tao Zhou, and Yulin Zhou. “Rail Transit Development in Lagging Regions: A Development-Oriented Investment and Financing Approach”. Journal of Transport and Land Use 11, no. 1 (November 15, 2018). Accessed April 28, 2024. https://jtlu.org/index.php/jtlu/article/view/1235.