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- 저자 李貞薰(Lee, Joung-Hoon)
- 주제어 Railway infrastructure system Rate dependent Structure integrity gaeban holding a second class of the civilian and military classes intellectual capacity military coup politics by personal attendants Response surface method yangban 개반 무신정변 문무반의 겸직 양반 직무 분리 참하관 측근정치 학문적 능력