김영훈 정지용 2018-11-15T07:46:21Z 2018-11-15T07:46:21Z 1992-12 D078 http://repository.krei.re.kr/handle/2018.oak/13598 북한농업과 사회주의국가의 농업개혁 Agriculture in North Korea and Agricultural Reform in Socialist States KREI 보고서 Kim, Younghoon