6. Bibliography

1) 
Article title: From toilets to tap: How we get tap water from sewage
Author: Kathy Chiu 
Date of article: Updated 3 March 2011 3:08:08 PM
Adapted from:  USA Today

2)
Article title: Water Treatment/Imported water
Author: Dr Vivian Balakrishnan (Minister of Water and Environmental Affairs)
Date of article: Updated 25 June 2013
Adapted from:  PUB
Link to the page: http://www.pub.gov.sg/general/watersupply/Pages/WaterTreatment.aspxhttp://www.pub.gov.sg/water/Pages/ImportedWater.aspx

3) 
Article title: Water Quality and Health
Author: Gsi 
Date of article: 22 January 2014
Adapted from: Singapore International Water Week

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