Wang X, Wang Y, Zhao Y, Tian M, Wu X, Zhang Y, Gao F, Sun J, Wei X, Yang X, Qu X. Impact of the COVID-19 lockdown on air pollution in an industrial city in Northeastern China. JEELM [Internet]. 2023Sep.4 [cited 2024Nov.27];31(3):219–231. Available from: https://ijspm.vgtu.lt/index.php/JEELM/article/view/19472