One-key keyboard: a very small QWERTY keyboard supporting text entry for wearable computing. - Seoktae Kim; Minjung Sohn; Jinhee Pak; Woohun Lee (OZCHI, 2006)

Button Keyboard: A Very Small Keyboard with Universal Usability for Wearable Computing. - Hyunjung Kim; Minjung Sohn; Seoktae Kim; Jinhee Pak; Woohun Lee (INTERACT (1), 2007)

Digital rubbing: playful and intuitive interaction technique for transferring a graphic image onto paper with pen-based computing. - Hyunjung Kim; Seoktae Kim; Boram Lee; Jinhee Pak; Minjung Sohn; Geehyuk Lee; Woohun Lee (CHI Extended Abstracts, 2008)

Designing with unconscious human behaviors for eco-friendly interaction. - Minjung Sohn; Tek-Jin Nam; Woohun Lee (CHI Extended Abstracts, 2009)