by 서효덕(Hyo Duk Seo)
Published in Weon'ye gwahag gi'sulji (2013)

by 정진욱, 이계산, 서효덕, 이규진, 한두희
Published in 韓國ITS學會 論文誌 (30.06.2016)

by 이규진, 서효덕, 한두희, 이계산
Published in 韓國ITS學會 論文誌 (28.02.2013)

by 안율균(Yul Kyun Ahn), 최학순(Hak Soon Choi), 최경이(Gyeong Lee Choi), 서효덕(Hyo Duk Suh)
Published in Weon'ye gwahag gi'sulji (01.09.2008)

by 안율균(Yul Kyun Ahn), 최경이(Gyeong Lee Choi), 최학순(Hak Soon Choi), 윤무경(Moon Kyoung Yoon), 서효덕(Hyo Duk Suh)
Published in Weon'ye gwahag gi'sulji (01.06.2007)

by 강용구(Yonggu Kang), 서효덕(Hyoduk Seo), 이정관(Jungkwan Lee), 남상식(Sangsik Nam), 최경이(Kunglee Choi), 김천환(Chunhwan Kim), 김희대(Heedai Kim)
Published in Weon'ye gwahag gi'sulji (2005)