The 9th Asia Pacific Industrial Engineering and Management Systems Conference, 2008-12-03
INFORMS Annual Meeting, 2008-10-12
The 9th APIEMS Conference, 2008-12-03
The 6th KOREA-CHINA Quality Symposium, 2007-08-16
Proceedings of the Joint Conference of Korean Institute of Industrial Engineers and Korean Operations Research and Management Science Society, page. 838 - 841, 2007-05-25