Suphan Sodsoon และ Sombat Sindhuchao. (2010) Max-Min Ant System to Solve Vehicle Routing Problem Case Study: THANTIP Factory of Drinking Water. <i>KKU Engineering Journal</i>, <i>37</i>(2), 141-149.Suphan Sodsoon และ Sombat Sindhuchao. "Max-Min Ant System to Solve Vehicle Routing Problem Case Study: THANTIP Factory of Drinking Water". KKU Engineering Journal 37 (2010):141-149.Suphan Sodsoon และ Sombat Sindhuchao. Max-Min Ant System to Solve Vehicle Routing Problem Case Study: THANTIP Factory of Drinking Water. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2010.