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<xml><bibliography><APA>Supamas Danwittayakul และผู้แต่งคนอื่นๆ. (2006) Effects of titanium cation substitution on piezoelectric properties of bismuth sodium lanthanum titanate system. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Supamas Danwittayakul และผู้แต่งคนอื่นๆ. 2006. Effects of titanium cation substitution on piezoelectric properties of bismuth sodium lanthanum titanate system. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Supamas Danwittayakul และผู้แต่งคนอื่นๆ.  Effects of titanium cation substitution on piezoelectric properties of bismuth sodium lanthanum titanate system.  ม.ป.ท.:Chulalongkorn University, 2006. Print.</MLA></bibliography></xml>
