이정환 김은순 2018-11-15T07:52:04Z 2018-11-15T07:52:04Z 1984-12 R086 http://repository.krei.re.kr/handle/2018.oak/14134 농지 및 노동의 유동성과 농업구조정책 Flexibility of Agricultural Land and Labor and the Policy for Agricultural Structure KREI 보고서 Lee, Junghwan Gim, Uhnsoon