Lai, P. Y. (2002). Development of defect-free and ultrathin-skinned asymmetric membranes for gas separation / [microfilm]. Skudai : Universiti Teknologi Malaysia.
Lua i Stíl Chicago (17ú heag.)Lai, Ping Yean. Development of Defect-free and Ultrathin-skinned Asymmetric Membranes for Gas Separation / [microfilm]. Skudai : Universiti Teknologi Malaysia, 2002.
Lua MLA (9ú heag.)Lai, Ping Yean. Development of Defect-free and Ultrathin-skinned Asymmetric Membranes for Gas Separation / [microfilm]. Skudai : Universiti Teknologi Malaysia, 2002.
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