International Material Handling Research Colloquium, 2008-06-01
INFORMS Annual Meeting, 2006-11-05
The 8th APIEMS & 2007 CIIE Conference, 2007-12-09
INFORMS Annual Meeting, 2007-11-04
2009 추계 산업공학회, 2009-10-09
Thesis(Master), 2008