Huang, Rui, Miao Liu, and Yongmei Ding. “Spatial-Temporal Distribution of COVID-19 in China and Its Prediction: A Data-Driven Modeling Analysis”. The Journal of Infection in Developing Countries 14, no. 03 (March 31, 2020): 246-253. Accessed November 30, 2021. https://www.jidc.org/index.php/journal/article/view/32235084.