1. LH. Permen, Peraturan Menteri Negara Lingkungan Hidup Nomor 12 Tahun 2010 Tentang Pelaksanaan Pengendalian Pencemaran Udara Di Daerah, (2010).
2. World Health Organization (WHO), Ambient (outdoor) air pollution, https://www.who.int/en/news-room/fact- sheets/detail/ambient-(outdoor)-air-quality-and-health, [access: 4 April 2020], (2018).
3. Characterizing of Air Pollution in Tehran: Comparison of Two Air Quality Indices
4. A. Atamaleki, M. Sadani, A. Raoofi, A. Miri, S. G. Bajestani, Y. Fakhri, Z. Heidarinejad, A. M. Khaneghah, Method Article, 6, 1581–1590 (2020).
5. Residents’ perception of air quality, pollution sources, and air pollution control in Nanchang, China