Cheong, X. Z. (2016). Removal of copper ions from aqueous solution by papaya seeds. School of Bioprocess Engineering, University Malaysia Perlis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. Perlis, Malaysia: School of Bioprocess Engineering, University Malaysia Perlis, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. School of Bioprocess Engineering, University Malaysia Perlis, 2016.
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