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<xml><bibliography><APA>Sakom  Phongpan และ Arvin R Mosier; Jenvith  Sookthongsa. (2004) Effect of Rice Straw and Rice Hull Ash Addition on the Efficiency of Urea Broadcast to a Lowland Rice Field. &lt;i&gt;Thai Agricultural Research Journal&lt;/i&gt;, &lt;i&gt;22&lt;/i&gt;(1), 9-23.</APA><Chicago>Sakom  Phongpan และ Arvin R Mosier; Jenvith  Sookthongsa. "Effect of Rice Straw and Rice Hull Ash Addition on the Efficiency of Urea Broadcast to a Lowland Rice Field". Thai Agricultural Research Journal  22 (2004):9-23.</Chicago><MLA>Sakom  Phongpan และ Arvin R Mosier; Jenvith  Sookthongsa. Effect of Rice Straw and Rice Hull Ash Addition on the Efficiency of Urea Broadcast to a Lowland Rice Field. Department of Agriculture:ม.ป.ท. 2004.</MLA></bibliography></xml>
