The construction and application of Six Sigma quality indices. - Kuen-Suan Chen; Hsi-Tien Chen; Tsang-Chuan Chang (Int. J. Prod. Res., 2017)

Applying a severity-performance loss analysis in service failure research. - Hsi-Tien Chen; Chun-Min Kuo (J. Serv. Sci. Res., 2017)