COVID-19: Risk Analysis in South Asia with Respect to Europe and North America. AIUB Journal of Science and Engineering, [S. l.], v. 20, n. 3, p. 97–106, 2021. DOI: 10.53799/ajse.v20i3.196. Disponível em: https://ajse.aiub.edu/index.php/ajse/article/view/196. Acesso em: 3 may. 2026.