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<xml><bibliography><APA>Kornkanok Watcharathamrongkul และผู้แต่งคนอื่นๆ. (2010) Development of calcium oxide based catalysts for ethyl ester production. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Kornkanok Watcharathamrongkul และผู้แต่งคนอื่นๆ. 2010. Development of calcium oxide based catalysts for ethyl ester production. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Kornkanok Watcharathamrongkul และผู้แต่งคนอื่นๆ.  Development of calcium oxide based catalysts for ethyl ester production.  ม.ป.ท.:Chulalongkorn University, 2010. Print.</MLA></bibliography></xml>
