Chawla, Sumit, Harinder Singh, and Bharti Chawla. “COVID 19 Dawn from Wuhan: ‘The Number Game’”. Indian Journal of Community Health 32, no. 3 (September 30, 2020): 564–568. Accessed April 20, 2024. https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/1608.