6. Bibliography


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Anderson, G (2003). Abalone: Introduction 

Black, K. (2009). The disadvantages of hydroponics. Retrieved  9 July, 2014 from http://www.gardenguides.com/75433-disadvantages-hydroponics.html

Bond, D, Radford University (2000). All about peppermint 

Davis, J, Davis, L, Buckley, D & Buckley, R (2014). The advantages of aquaponics Retrieved 8 July, 2014 from

Department of Agriculture, Forestry and Fisheries. (2011). Hydroponic vegetable production. Retrieved 9 July, 2014 from http://www.nda.agric.za/docs/Brochures/prodGuideHydroVeg.pdf

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Princeton University (2014) Chemical Spill Procedures. Retrived 10 July, 2014, from http://web.princeton.edu/sites/ehs/emergency/spills.htm

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Turner, B. (2008). How hydroponics works. Retrieved 8 July, 2014 from http://home.howstuffworks.com/lawn-garden/professional-landscaping/alternative-methods/hydroponics.htm

Wikihow (n.d.) How to prevent electrical shocks. Retrived 10 July, 2014 from http://www.wikihow.com/Prevent-Electrical-Shock

WSH Council., & Ministry of Manpower, Ministry of Manpower, (2011). Code of practice on workplace safety and health (wsh) risk management. Retrieved 9 July, 2014 from http://statutes.agc.gov.sg/aol/search/display/view.w3p;ident=424fe219-0674-4888-aa4f-62bef7cd9604;orderBy=numUp;page=0;query=DocId:cd9437b7-419b-40de-99a3-09f2e7b8c90a%20Depth:0%20Status:inforce;rec=0

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