Being Together: User's Subjective Experience of Social Presence in CMC Environments. - Ha Sung Hwang; SungBok Park (HCI (1), 2007)

Understanding Online Game Addiction: Connection between Presence and Flow. - SungBok Park; Ha Sung Hwang (HCI (4), 2009)

The Experience of Presence in 3D Web Environment: An Analysis of Korean Second Life. - SungBok Park; Ha Sung Hwang; Myungil Choi (HCI (4), 2009)