1. Lopez, L.; Barajas-Gonzalez, R. G.; Diaz, G.; Moreno, F.; Garcia, C. COVID-19 and Student Learning in the United States: The Hurt Could Last a Lifetime, McKinsey & Company, 2020.
2. Strauss, V. Why covid-19 will ‘explode’ existing academic achievement gaps. https://www.washingtonpost.com/education/2020/04/17/why-covid-19-will-explode-existing-academic-achievement-gaps/ (accessed 2020-07-31).
3. Greeson, B. A tale of two ZIP codes: COVID-19 exposes deep disparities in U.S. schools. https://www.nbcnews.com/news/us-news/tale-two-zip-codes-covid-19-exposes-deep-disparities-u-n1227646 (accessed 2020-07-31).
4. COVID‐19 crisis highlights disparities among students
5. LaFave, S. How School Closures For COVID-19 Amplify Inequality. https://hub.jhu.edu/2020/05/04/school-closures-inequality/ (accessed 2020-08-01).