Electronic commerce system supporting scalable and high end marketing facility. - Hyeonsung Cho; Hyunkyu Cho; Hosang Ham; Sangbong Park (HCI (2), 1999)

Reference Mapping in BizTrans X. - Moonyoung Chung; Sooyoung Oh; Hyeonsung Cho; Hyunkyu Cho (WWW (Posters), 2003)