ZHANG, Wei. ASSESSMENT OF AIR QUALITY TRENDS: TEMPORAL AND SPATIAL PERSPECTIVES IN CHINA. International Journal of Renewable Energy and Environmental Sustainability (IJREES), [S. l.], v. 8, n. 4, p. 20–34, 2023. Disponível em: https://zapjournals.com/Journals/index.php/ijrees/article/view/1447. Acesso em: 23 jul. 2025.