J. Ahn

Customer pattern search for after-sales service in manufacturing

So Young Sohn, Jin Sook Ahn, S. Sohn, 2009, Expert Syst. Appl..

Customer pattern search for A/S association in manufacturing

So Young Sohn, Jin Sook Ahn, S. Sohn, 2008 .

Balanced Scorecard Based Performance Analysis of Accreditation for Engineering Education

Jin Young Choi, So Young Sohn, Yonghan Ju, 2014 .