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<xml><bibliography><APA>Prapun Aungatichart และผู้แต่งคนอื่นๆ. (2004) Effects of rice husk ash on the physical properties of terra cotta body /. Chulalongkorn University,:ม.ป.ท.</APA><Chicago>Prapun Aungatichart และผู้แต่งคนอื่นๆ. 2004. Effects of rice husk ash on the physical properties of terra cotta body /. ม.ป.ท.:Chulalongkorn University,;</Chicago><MLA>Prapun Aungatichart และผู้แต่งคนอื่นๆ.  Effects of rice husk ash on the physical properties of terra cotta body /.  ม.ป.ท.:Chulalongkorn University, 2004. Print.</MLA></bibliography></xml>
