Security Enhancement on Mobile Commerce. - Eun-Kyeong Kwon; Yong-Gu Cho; Ki-Joon Chae (Human.Society@Internet, 2001)

Integrated Transport Layer Security: End-to-End Security Model between WTLS and TLS. - Eun-Kyeong Kwon; Yong-Gu Cho; Ki-Joon Chae (ICOIN, 2001)

Refundable Electronic Cash for Mobile Commerce. - Eun-Kyeong Kwon; Yong-Gu Cho; Kijoon Chae (Human.Society@Internet 2003, 2003)