Subrahmanyam, Munukutla Srinivasa Lakshmana Bala, and Vajjha Hem Kumar. “Modelling COVID-19 Pandemic With Asymptomatic Patients for the State Andhra Pradesh, India”. International Journal of Research in Engineering, Science and Management 4, no. 10 (October 17, 2021): 6–17. Accessed May 20, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/1417.