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<xml><bibliography><APA>Viet-Cuong Nguyen และ The-Vinh Nguyen. (2009) Photocatalytic Removal of Phenol under Natural Sunlight over N-TiO2-SiO2 Catalyst: The Effect of Nitrogen Composition in TiO2-SiO2. &lt;i&gt;EnvironmentAsia&lt;/i&gt;, &lt;i&gt;2&lt;/i&gt;(1), p23-29.</APA><Chicago>Viet-Cuong Nguyen และ The-Vinh Nguyen. "Photocatalytic Removal of Phenol under Natural Sunlight over N-TiO2-SiO2 Catalyst: The Effect of Nitrogen Composition in TiO2-SiO2". EnvironmentAsia  2 (2009):p23-29.</Chicago><MLA>Viet-Cuong Nguyen และ The-Vinh Nguyen. Photocatalytic Removal of Phenol under Natural Sunlight over N-TiO2-SiO2 Catalyst: The Effect of Nitrogen Composition in TiO2-SiO2. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2009.</MLA></bibliography></xml>
