Witchaya Kaewtip และ Ekawan Luepromchai. (2008) Combined cloud point extraction and bioremediation for clean-up trichloroethylene in various soil types. Chulalongkorn University:ม.ป.ท.Witchaya Kaewtip และ Ekawan Luepromchai. 2008. Combined cloud point extraction and bioremediation for clean-up trichloroethylene in various soil types. ม.ป.ท.:Chulalongkorn University;Witchaya Kaewtip และ Ekawan Luepromchai. Combined cloud point extraction and bioremediation for clean-up trichloroethylene in various soil types. ม.ป.ท.:Chulalongkorn University, 2008. Print.