ANSARI, mahnoor zamir. How to Combat Against Upcoming Varients of Covid-19 . International Journal of Innovations in Science & Technology, [S. l.], v. 4, n. 3, p. 821–838, 2022. Disponível em: https://journal.50sea.com/index.php/IJIST/article/view/291. Acesso em: 2 may. 2024.