1. ‘Empty Shelves Are Back, but Panic Buying Hasn't Reached Levels Seen Early in Pandemic: Expert | KTLA,’,2020
2. Panicked Shoppers Empty Shelves as Coronavirus Anxiety Rises—The New York Times;NYTimes,2020
3. Coronavirus: Much of ‘the World's Factory’ Still Shut—BBC News;BBC,2020
4. U.S. Factories Closing Due to Coronavirus Concerns but Some Must Keep Producing;Cleeland,2020
5. Using data analytics to determine the disruptions in supply chain due to the COVID-19 pandemic: a literature review;Golwelkar;Int. J. Res. Appl. Sci. Eng. Technol.,2020