Warapoj Meethom และ SomchaiPornchaivivat. (2011) Design of Decision Support System for Multimodal Transportation Route Selectingbetween Thai and Vietnam. <i>KKU Engineering Journal</i>, <i>38</i>(3), 187-195.Warapoj Meethom และ SomchaiPornchaivivat. "Design of Decision Support System for Multimodal Transportation Route Selectingbetween Thai and Vietnam". KKU Engineering Journal 38 (2011):187-195.Warapoj Meethom และ SomchaiPornchaivivat. Design of Decision Support System for Multimodal Transportation Route Selectingbetween Thai and Vietnam. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2011.