Laongdao Khunngio และ Panitarn Peerapattana. (2013) An application of the value stream mapping and computer simulation for reducing an average service time for patients in the emergency care unit : a case study of the out-patient emergency care unit, Srinagarind Hospital. <i>KKU Engineering Journal</i>, <i>40</i>(4), 527-538.Laongdao Khunngio และ Panitarn Peerapattana. "An application of the value stream mapping and computer simulation for reducing an average service time for patients in the emergency care unit : a case study of the out-patient emergency care unit, Srinagarind Hospital". KKU Engineering Journal 40 (2013):527-538.Laongdao Khunngio และ Panitarn Peerapattana. An application of the value stream mapping and computer simulation for reducing an average service time for patients in the emergency care unit : a case study of the out-patient emergency care unit, Srinagarind Hospital. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2013.