Zhong, Ming, Wanle Wang, John Douglas Hunt, Haixiao Pan, Tao Chen, Jianzhong Li, Wei Yang, and Ke Zhang. “Solutions to Cultural, Organizational, and Technical Challenges in Developing PECAS Models for the Cities of Shanghai, Wuhan, and Guangzhou”. Journal of Transport and Land Use 11, no. 1 (December 4, 2018). Accessed May 3, 2024. https://jtlu.org/index.php/jtlu/article/view/1329.