Cyworld is my world: Korean adult experiences in an online community for learning. - Young Park; Gyeong Mi Heo; Romee Lee (Int. J. Web Based Communities, 2008)

Blogging for Informal Learning: Analyzing Bloggers' Perceptions Using Learning Perspective. - Young Park; Gyeong Mi Heo; Romee Lee (J. Educ. Technol. Soc., 2011)

Blogs and Social Network Sites as Activity Systems: Exploring Adult Informal Learning Process through Activity Theory Framework. - Gyeong Mi Heo; Romee Lee (J. Educ. Technol. Soc., 2013)