Luojian Tan, Xu Hu, Xiaoyu Niu, Lingxin Qian, and Zhaoyuan Yu. 2023. “Spatial Interaction Model and Characteristic Measure Based on Master Equation: Case Studies With Beijing-Tianjin-Hebei Population Flow”. Journal of Asian Geography 2 (1): 15-21. https://ejournal.usm.my/jag/article/view/3986.