Zhao, Bin, and Jinming Cao. “Data Analysis of Online Shopping Platform During the COVID-19 Epidemic of Coronavirus Disease”. Archives of Community Medicine and Public Health 7, no. 1 (January 28, 2021): 023–032. Accessed September 28, 2025. https://www.healthdisgroup.com/acmph/article/view/ACMPH-7-229.