TAO XU; LEI ZHAO; XIAODONG ZHOU. The Impact of Environmental Policies on Air Quality Improvement and Public Health in Beijing. Studies in Social Science & Humanities, [S. l.], v. 3, n. 6, p. 42–48, 2024. Disponível em: https://www.paradigmpress.org/SSSH/article/view/1190. Acesso em: 30 apr. 2025.