Cheong, X. Z. (2016). Removal of copper ions from aqueous solution by papaya seeds. School of Bioprocess Engineering, University Malaysia Perlis.
Lua i Stíl Chicago (17ú heag.)Cheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. Perlis, Malaysia: School of Bioprocess Engineering, University Malaysia Perlis, 2016.
Lua MLA (8ú heag.)Cheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. School of Bioprocess Engineering, University Malaysia Perlis, 2016.
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