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<xml><bibliography><APA>Natdhera Sanmanee และ Pawareen Suwannaoin. (2009) Investigation of Organic Carbon using Rapid Dichromate Oxidation in Comparison with Dry Combustion Techniques among Three Groups of Two Different Sizes of Soils. &lt;i&gt;EnvironmentAsia&lt;/i&gt;, &lt;i&gt;2&lt;/i&gt;(2), p11-14.</APA><Chicago>Natdhera Sanmanee และ Pawareen Suwannaoin. "Investigation of Organic Carbon using Rapid Dichromate Oxidation in Comparison with Dry Combustion Techniques among Three Groups of Two Different Sizes of Soils". EnvironmentAsia  2 (2009):p11-14.</Chicago><MLA>Natdhera Sanmanee และ Pawareen Suwannaoin. Investigation of Organic Carbon using Rapid Dichromate Oxidation in Comparison with Dry Combustion Techniques among Three Groups of Two Different Sizes of Soils. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2009.</MLA></bibliography></xml>
