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Browsing Practical Manual for GCE A/L Biosystem Technology Teachers by Author "Skandaraja, S.S."

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Lesson 16: Determination of water quality parameters such as temperature, colour, turbidity and total solids by physical methods

Skandaraja, S.S. (Research Services Centre, Faculty of Science, University of Kelaniya, 2015)
Lesson 17: Determination of water quality parameters such as pH, dissolved oxygen (DO) and electrical conductivity by chemical methods

Skandaraja, S.S. (Research Services Centre, Faculty of Science, University of Kelaniya, 2015)
Lesson 18: Treating a water sample using alum and sunlight

Skandaraja, S.S. (Research Services Centre, Faculty of Science, University of Kelaniya, 2015)

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