Upendra Singh. “A Comprehensive System for COVID-19 Analysis Combining Data Collection, Machine Learning, and Forecasting Models”. International Journal on Recent and Innovation Trends in Computing and Communication 9, no. 11 (November 30, 2021): 51–54. Accessed April 1, 2026. https://www.ijritcc.org/index.php/ijritcc/article/view/11912.