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<xml><bibliography><APA>Watana Watananonta และ Saowaree Tangsakul; Sompong Katong; Somjat Jantawat; Nopprasool Samuthong; Reinhardt Howeler. (2006) Effect of Land Preparation Methods on Root Yields of Four Cassava Varieties in thailand. &lt;i&gt;Thai Agricultural Research Journal&lt;/i&gt;, &lt;i&gt;24&lt;/i&gt;(1), 2-19.</APA><Chicago>Watana Watananonta และ Saowaree Tangsakul; Sompong Katong; Somjat Jantawat; Nopprasool Samuthong; Reinhardt Howeler. "Effect of Land Preparation Methods on Root Yields of Four Cassava Varieties in thailand". Thai Agricultural Research Journal  24 (2006):2-19.</Chicago><MLA>Watana Watananonta และ Saowaree Tangsakul; Sompong Katong; Somjat Jantawat; Nopprasool Samuthong; Reinhardt Howeler. Effect of Land Preparation Methods on Root Yields of Four Cassava Varieties in thailand. Department of Agriculture:ม.ป.ท. 2006.</MLA></bibliography></xml>
