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<xml><bibliography><APA>Krittapol Sricharoen และ Parames Chutima. (2010) Risk management in petrochemical plant. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Krittapol Sricharoen และ Parames Chutima. 2010. Risk management in petrochemical plant. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Krittapol Sricharoen และ Parames Chutima.  Risk management in petrochemical plant.  ม.ป.ท.:Chulalongkorn University, 2010. Print.</MLA></bibliography></xml>
