by Jeong, Dae Hyun, Koo, Young Duk
Published in Applied Mechanics and Materials (01.10.2017)

by Kwon, O Young, Koo, Young Duk
Published in Applied Mechanics and Materials (01.10.2017)

by 구영덕(Young Duk Koo), 김영인(Young-In Kim), 박관순(Kwan Soon Park)
Published in 자원환경지질 (30.04.2014)

by Koo, Young Duk, Jeong, Dae Hyun
Published in Applied Mechanics and Materials (20.04.2015)

by Kim, Seonho, Kim, You-Eil, Bae, Kuk-Jin, Choi, Sung-Bae, Park, Jong-Kyu, Koo, Young-Duk, Park, Young-Wook, Choi, Hyun-Kyoo, Kang, Hyun-Moo, Hong, Sung-Wha
Published in Futures : the journal of policy, planning and futures studies (01.08.2013)

by 정대현(Dae-hyun Jeong), 권오영(O-young Kwon), 구영덕(Young-duk Koo)
Published in 한국콘텐츠학회 논문지, 18(9) (2018)

by 이수진(Su-Jin Lee), 구영덕(Young-duk Koo), 정대현(Dae-hyun Jeong)
Published in 한국콘텐츠학회 논문지, 17(11) (2017)

by Jeong, Dae Hyun, Koo, Young Duk
Published in Key Engineering Materials (28.02.2017)

by KWON, OH JIN, MOON, YEONG HO, LEE, JUNE YOUNG, LEE, BANG RAE, KOO, YOUNG DUK
Year of Publication 13.02.2014

by Koo, Young Duk, Kim, Young-In, Park, Kwan Soon
Published in Economic and Environmental Geology (28.04.2014)

by BAE, KUK JIN, HONG, SUNG WHA, PARK, JONG KYU, PARK, YOUNG WOOK, CHOI, HYUN KYOO, KIM, YOU EIL, KOO, YOUNG DUK
Year of Publication 13.10.2008

by HONG, SUNG HWA, CHOI, SUNG BAE, PARK, YOUNG WOOK, CHOI, HYUN KYOO, KANG, HYUN MOO, KOO, YOUNG DUK, KIM, YOU EIL, CHOI, EUN JU
Year of Publication 08.05.2008