by 이옥연
Published in Korea and World Politics (01.12.2007)

by 이옥연
Published in Journal of international and area studies (01.12.2006)

by 이옥연, Ok Yeon Yi
Published in 한국과 국제정치, 23(4) (30.12.2007)

by 이옥연
Published in 한국과 국제정치, 18(4) (01.12.2002)

by 이옥연, Ok Yeon Yi
Published in 한국과국제정치(KWP) (30.12.2002)

by 윤채원, Chae Won Yun, 이재훈, Jae Hoon Lee, 이옥연, Ok Yeon Yi, 신수영, Su Young Shin, 박수현, Soo Hyun Park
Published in 정보처리학회논문지. 컴퓨터 및 통신시스템(KTCCS) (31.03.2016)

by 윤채원, 이재훈, 이옥연, 신수영, 박수현, Yun, Chae-Won, Lee, Jae-Hoon, Yi, Okyeon, Shin, Su-Young, Park, Soo-Hyun
Published in 정보처리학회논문지. KIPS transactions on computer and communication systems 컴퓨터 및 통신 시스템 (01.03.2016)

by 박종연, Jong Yeon Park, 한동국, Dong Guk Han, 이옥연, Ok Yeon Yi, 김정녀, Jung Nyeo Kim
Published in 정보처리학회논문지. 컴퓨터 및 통신시스템(KTCCS) (28.02.2013)

by 박종연, 한동국, 이옥연, 김정녀, Park, Jong-Yeon, Han, Dong-Guk, Yi, Okyeon, Kim, Jung-Nyeo
Published in 정보처리학회논문지. KIPS transactions on computer and communication systems 컴퓨터 및 통신 시스템 (2013)

by 李玉年(Li Yu-Nian)
Published in 한국비교정부학보 (30.12.2005)