A maturity model and an evaluation system of software customer satisfaction: the case of software companies in Korea. - Choon Seong Leem; YongKi Yoon (Ind. Manag. Data Syst., 2004)

An Evaluation System for IT Outsourcing Customer Satisfaction Using the Analytic Hierarchy Process. - YongKi Yoon; Kun Shin Im (J. Glob. Inf. Manag., 2005)

Evaluating IT outsourcing customer satisfaction and its impact on firm performance in Korea. - YongKi Yoon; Kun Shin Im (Int. J. Technol. Manag., 2008)