Suphan Sodsoon และ Preecha Changyom. (2011) Max-Min Ant System (MMAS) for Vehicle Routing Problem with Time Windows. <i>KKU Engineering Journal</i>, <i>38</i>(4), 313-323.Suphan Sodsoon และ Preecha Changyom. "Max-Min Ant System (MMAS) for Vehicle Routing Problem with Time Windows". KKU Engineering Journal 38 (2011):313-323.Suphan Sodsoon และ Preecha Changyom. Max-Min Ant System (MMAS) for Vehicle Routing Problem with Time Windows. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2011.