PERVAIZ, S.; JAVID, K.; ZAFAR KHAN, F.; ZAHID, Y.; AKRAM, M. A. N. . Preliminary Assessment of Air During COVID-19 Lockdown: An Unintended Benefit to Environment: DOI: 10.32526/ennrj.18.4.2020.35. Environment and Natural Resources Journal, Nakhon Pathom, Thailand, v. 18, n. 4, p. 363–375, 2020. Disponível em: https://ph02.tci-thaijo.org/index.php/ennrj/article/view/240853. Acesso em: 25 apr. 2024.