Shastri, S. ., and D. . Bhatnagar. “A Cross-Sectional Study to Assess Awareness and Practices Related to Prevention of COVID-19 Amongst Shopkeepers Near Medical Establishments”. National Journal of Community Medicine, vol. 12, no. 03, Mar. 2021, pp. 48-52, doi:10.5455/njcm.20210216052351.