윤호섭 어명근 2018-11-15T07:52:17Z 2018-11-15T07:52:17Z 1985-12 R105 http://repository.krei.re.kr/handle/2018.oak/14153 농업기술수준의 국제비교연구 A Comparative Study of International Agricultural Technology Levels KREI 보고서 Yoon, Hoseop Eor, Myongkeun