Harikrishnan, Pandurangan, Kalyan J. Krish, and Avinesh Krishnan. “Comparison of Variations Between the Waves in This Covid-19 Pandemic: Past, Present and Future”. Trends in Biomaterials & Artificial Organs 36, no. 2 (May 17, 2022): 121-123. Accessed December 3, 2022. https://www.biomaterials.org.in/tibao/index.php/tibao/article/view/610.