윤호섭 이두순 전창곤 2018-11-15T07:52:16Z 2018-11-15T07:52:16Z 1985-12 R104 http://repository.krei.re.kr/handle/2018.oak/14152 주요농작물 종자 생산 및 공급체계개선에 관한 연구 A Study of Producing Major Agricultural Products and Improving the Supply System KREI 보고서 Yoon, Hoseop Lee, Doosoon Jeon, Changgon