NIVEDITHA, A. S. .; MDS, D. B. G. S.; ARIVARASU, L. . Covid-19 Lockdown and Its Impact on Air Pollution. The journal of contemporary issues in business and government, [S. l.], v. 26, n. 2, p. 1219–1225, 2020. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/394. Acesso em: 21 dec. 2024.