6. Reference

References
  1. Manuals
    1. Vernier Colorimeter Manual. (2016, February 8). Retrieved February 25, 2016, from http://www.vernier.com/files/manuals/col-bta/col-bta.pdf
    2. Vernier Turbidity Sensor Manual. (2014, May 16). Retrieved February 25, 2016, from http://www.vernier.com/files/manuals/trb-bta.pdf
    3. Vernier pH Sensor Manual. (2016, February 8). Retrieved February 25, 2016, from http://www.vernier.com/files/manuals/ph-bta/ph-bta.pdf
(e) Websites
  1. Drinking Water Quality Report. (n.d.). Retrieved March 01, 2016, from http://www.pub.gov.sg/general/watersupply/Pages/DrinkingWQReport.aspx
  2. Facts and figures. (n.d.). Retrieved March 02, 2016, from http://www.unwater.org/water-cooperation-2013/water-cooperation/facts-and-figures/en/
  3. Screen Filter Micron Size

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