Rajkumar Sharma. (2020). Analytical Study Of Prevention From Transmission Of Covid-19 Pandemic And Its Affect On Worldwide Population. Vidhyayana - An International Multidisciplinary Peer-Reviewed E-Journal - ISSN 2454-8596, 5(5). Retrieved from http://j.vidhyayanaejournal.org/index.php/journal/article/view/1264