1. Air Pollution, The First National Conference on Urban Sustainable Development;Shafie,2015
2. Glossary of Environment Statistics, Studies in Methods, Series F, No.67;The United Nations Statistics Division (UNSD),2001
3. Guidelines for Carcinogen Risk Assessment;United States Environmental Protection Agency (US EPA),2005
4. Reducing Hazardous Air Pollutants from Industrial Boilers: Model Permit Guidance;National Association of Clean Air Agencies,2008
5. Highly active photocatalytic paint for NOx abatement under real-outdoor conditions;Ângelo;Appl. Catal. Part A,2014