2011 International Conference on Electrical and Control Engineering Electrical and Control Engineering (ICECE), 2011 International Conference on. :1681-1684 Sep, 2011
2010 International Conference on E-Product E-Service and E-Entertainment E-Product E-Service and E-Entertainment (ICEEE), 2010 International Conference on. :1-4 Nov, 2010
2009 International Conference on Management and Service Science Management and Service Science, 2009. MASS '09. International Conference on. :1-4 Sep, 2009