Random effects model for the reliability management of modules of a fighter aircraft. - So Young Sohn; Kyung Bok Yoon; In Sang Chang (Reliab. Eng. Syst. Saf., 2006)

Random effects Weibull regression model for occupational lifetime. - So Young Sohn; In Sang Chang; Tae Hee Moon (Eur. J. Oper. Res., 2007)

A systematic approach for improving the quality of official statistics: Case of Korean information and telecommunication industry. - So Young Sohn; In Sang Chang; Tae Hee Moon (Inf. Manag., 2008)

CRM to improve the avoidance tendency in science and engineering college in Korea. - So Young Sohn; In Sang Chang (Expert Syst. Appl., 2009)

Assessment of a complementary cyber learning system to offline teaching. - So Young Sohn; Hae Yeon Park; In Sang Chang (Expert Syst. Appl., 2009)

Correction to "Random effects model for the reliability management of modules of a fighter aircraft" [Reliab Eng Syst Saf 91(4) (2006) 433-437]. - So Young Sohn; Kyung Bok Yoon; In Sang Chang (Reliab. Eng. Syst. Saf., 2009)