M. S. L. B. Subrahmanyam and V. H. Kumar, “Modelling COVID-19 Pandemic with Asymptomatic Patients for the State Andhra Pradesh, India”, IJRESM, vol. 4, no. 10, pp. 6–17, Oct. 2021, Accessed: May 19, 2024. [Online]. Available: https://journal.ijresm.com/index.php/ijresm/article/view/1417