Pariya Pornpattanaoeskul และ Damrong Thawesaengskulthai. (2011) Operational risk management for motorcycle parts factory. Chulalongkorn University:ม.ป.ท.Pariya Pornpattanaoeskul และ Damrong Thawesaengskulthai. 2011. Operational risk management for motorcycle parts factory. ม.ป.ท.:Chulalongkorn University;Pariya Pornpattanaoeskul และ Damrong Thawesaengskulthai. Operational risk management for motorcycle parts factory. ม.ป.ท.:Chulalongkorn University, 2011. Print.