1. World Health Organization (2021). Global Air Quality Guidelines. Particulate Matter (PM2.5 and PM10), Ozone, Nitrogen Dioxide, Sulfur Dioxide and Carbon Monoxide, World Health Organization.
2. Mumovic, D., Chatzidiakou, L., Williams, J., and Burman, E. (2016). Indoor Air Quality in London Schools, Greater London Authority. Available online: https://tinyurl.com/IAQLNDschools.
3. Greater London Authority (2018). The Mayor’s School Air Quality Audit Programme Report.
4. Public Health England (2023, January 05). Health Matters: Air Pollution. Health England, Available online: https://www.gov.uk/government/publications/health-matters-air-pollution/health-matters-air-pollution.
5. Anxiety disorders among children and adolescents;Chiu;Focus,2016