Ronnachai Sirovetnukul และ Parames Chutima. (2010) Multi-Objective worker alloccation in U-shaped assembly lines /. Chulalongkorn University,:ม.ป.ท.Ronnachai Sirovetnukul และ Parames Chutima. 2010. Multi-Objective worker alloccation in U-shaped assembly lines /. ม.ป.ท.:Chulalongkorn University,;Ronnachai Sirovetnukul และ Parames Chutima. Multi-Objective worker alloccation in U-shaped assembly lines /. ม.ป.ท.:Chulalongkorn University, 2010. Print.