Internet Over-Users' Psychological Profiles: A Behavior Sampling Analysis on Internet Addiction. - Leo Sang-Min Whang; Sujin Lee; Geun-Young Chang (Cyberpsychology Behav. Soc. Netw., 2003)

Lifestyles of Virtual World Residents: Living in the On-Line Game "Lineage". - Leo Sang-Min Whang; Geun-Young Chang (Cyberpsychology Behav. Soc. Netw., 2004)

The Study on the Gamers' Lifestyles in On-line Game World: The Emergence of Cyber-Behavior Patterns in two Different Cultural Context of Korea and Japan. - Geun-Young Chang; Leo Sang-Min Whang (DiGRA Conference, 2005)