WAN KAMARUDIN, W. F.; IRWAN, Z.; YAAFAR, M. R.; MAT AMIN, A. R. Lockdown effect on carbon monoxide concentration over Malaysia and Indonesia. Scientific Review Engineering and Environmental Studies (SREES), [S. l.], v. 31, n. 2, p. 124–134, 2022. DOI: 10.22630/srees.2238. Disponível em: https://srees.sggw.edu.pl/article/view/2238. Acesso em: 19 aug. 2022.