1. Review of air pollution and health impacts in Malaysia;Afroz;Environ. Res.,2003
2. Chromium as an essential nutrient for humans;Anderson;Regul. Toxicol. Pharm.,1997
3. Application of sustainability indicators and rating tools: envisioning ‘Life Cycle’ assessment for buildings in Malaysia.;Annuar,2014
4. The influence of wind and light exposure on the extent of lichen coverage in an alpine environment;Anstett;J. Undergrad. Life Sci.,2010
5. APIS, 2014. Heavy metals. Air pollution information system. Retrieved May 23, 2017, from http://www.apis.ac.uk/overview/pollutants/overview_HM.htm.