1. Global Ecommerce Jumps to $26.7 Trillion, COVID-19 Boosts Online Sales
https://unctad.org/news/global-e-commerce-jumps-267-trillion-covid-19-boosts-online-sales
2. Digital-Commerce-360. COVID’s Impact on Online Shopping
https://www.digitalcommerce360.com/article/coronavirus-impact-online-retail/
3. How Did the Consumer & Lifestyle Industry Change in Taiwan during the Peak of the Epidemic?
https://www.mirai.com.tw/2020h1-taiwan-distribution-industry-growth-rate-rank-under-the-pandemic/20210524
4. The Psychology of E-Commerce Consumption: Six Rules, the Secret of Making Consumers Buy
https://transbiz.com.tw/6-principles-of-ecommerce-consumer-psychology/