Kanya Auckara-aree และ Rein Boondiskulchok. (2009) Collection station location and vehicle routing optimization in the natural rubber industry. Chulalongkorn University:ม.ป.ท.Kanya Auckara-aree และ Rein Boondiskulchok. 2009. Collection station location and vehicle routing optimization in the natural rubber industry. ม.ป.ท.:Chulalongkorn University;Kanya Auckara-aree และ Rein Boondiskulchok. Collection station location and vehicle routing optimization in the natural rubber industry. ม.ป.ท.:Chulalongkorn University, 2009. Print.