Uncertainty profile and software project performance: A cross-national comparison. - Kwan-Sik Na; Xiaotong Li; James T. Simpson; Ki-Yoon Kim (J. Syst. Softw., 2004)

Software development risk and project performance measurement: Evidence in Korea. - Kwan-Sik Na; James T. Simpson; Xiaotong Li; Tushar Singh; Ki-Yoon Kim (J. Syst. Softw., 2007)

The role of the quality of shared information in interorganizational systems use. - Edward Hartono; Xiaotong Li; Kwan-Sik Na; James T. Simpson (Int. J. Inf. Manag., 2010)

Perceived Site Security as a Second Order Construct and Its Relationship to e-Commerce Site Usage. - Edward Hartono; Ki-Yoon Kim; Kwan-Sik Na; James T. Simpson; David Berkowitz (WorldCIST, 2013)

Measuring perceived security in B2C electronic commerce website usage: A respecification and validation. - Edward Hartono; Clyde W. Holsapple; Ki-Yoon Kim; Kwan-Sik Na; James T. Simpson (Decis. Support Syst., 2014)