Sigma Sathyan, and Krishna Prasad K. “Byju’s Learning App in the COVID-19 Outbreak to Analyze Online Education-A Case Study”. International Journal of Case Studies in Business, IT and Education (IJCSBE), vol. 5, no. 2, Aug. 2021, pp. 75-86, doi:10.47992/IJCSBE.2581.6942.0121.