By Shim Yongwoon   Lee Heejin   Yun Kyounglim   in International Journal of Advanced Media and Communication

ISSN:1462-4613|1|2|122-138

Inderscience Publishers‎(2006)‎

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By Lee Heejin   O'Keefe Robert M.   Yun Kyounglim   in The Information Society

ISSN:1087-6537|19|1|81-93

Routledge Ltd‎(2003)‎

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