Sangamithra, A, and P Dhavamani. “A Study on the Economic Impact and Preventive Measures about Covid-19 in Tamilnadu”. Shanlax International Journal of Economics 9, no. 2 (March 1, 2021): 10-14. Accessed May 19, 2024. https://www.shanlaxjournals.in/journals/index.php/economics/article/view/3676.