Norwahida Binti Zakaria. (2016). The effect of recycling to the properties of different brands of polyethylene terephthalate (pet) bottle. School of Material Engineering, University Malaysia Perlis.
Čikaški stil citiranja (17. izdanje)Norwahida Binti Zakaria. The Effect of Recycling to the Properties of Different Brands of Polyethylene Terephthalate (pet) Bottle. Perlis, Malaysia: School of Material Engineering, University Malaysia Perlis, 2016.
MLA način citiranja (8. izdanje)Norwahida Binti Zakaria. The Effect of Recycling to the Properties of Different Brands of Polyethylene Terephthalate (pet) Bottle. School of Material Engineering, University Malaysia Perlis, 2016.
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