Venkataramanan, A. R. ., Kanimozhi, K. V. ., Valarmathia, K. ., Therasa, M. ., Hemalatha, S. ., Thangamani, M. ., & Gulati, K. . (2023). A Survey on Covid-19 & Its Impacts. International Journal of Intelligent Systems and Applications in Engineering, 11(3s), 129 –. Retrieved from https://ijisae.org/index.php/IJISAE/article/view/2550