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Sarmidi, Mohamad Roji, Lay Pee Ling, Khairul Faezah Md Yunos, Mahadevan Munusamy, Weng Kee Sim, Oi Yee Chan, and Malaysian Science and Technology Congress (2001 Melaka). Synthesis of Cation Exchange Membrane for Electrodialysis of Citric Acid: A Preliminary Study. Skudai : Universiti Teknologi Malaysia, 2001.

Sarmidi, Mohamad Roji, et al. Synthesis of Cation Exchange Membrane for Electrodialysis of Citric Acid: A Preliminary Study. Skudai : Universiti Teknologi Malaysia, 2001.