Current usage of organisational blogs in the public sector. - Jaekyung Kim; Sang-Heui Lee; Min Suk Shin (Int. J. Inf. Technol. Manag., 2008)

Open process and open-source enterprise systems. - Sang M. Lee; David L. Olson; Sang-Heui Lee (Enterp. Inf. Syst., 2009)

A comparative study of proprietary ERP and open source ERP modules on the value chain. - Sang-Heui Lee; Silvana Trimi; Donghyun Choi; Jin Sung Rha (Int. J. Inf. Decis. Sci., 2011)